GenusSpecies Skull Height Length Weight Stage Ablepharus L

Document Sample
GenusSpecies Skull Height Length Weight Stage Ablepharus  L Powered By Docstoc
					          Genus/Species          Skull    Height     Length   Weight              Stage
Ablepharus                                                             L.Pleistocene
    A. borealis                                     15 cm?             L.Pleistocene
Acadiella                                                              U.Triassic
    A. psalidodon                                                      U.Triassic
Acaenasuchus                                                           U.Triassic
    A. geoffroyi                                                       Carnian
Acanthodactylus                                                        U.Pliocene-Recent
    cf. A.                      1 cm?                                  U.Pliocene
Acanthotoposaurus               see Youngina                           U.Permian
    A. bremneri                 see Youngina    capensis               U.Permian
Acerodontosaurus                                  30 cm?               U.Permian
Acerosodontosaurus              see   Acerodontosaurus?
Aciprion                        3 cm                                   M-U.Oligocene
    A. formosum                 3 cm                                   Chadronian-Orellan
    A. majus                    see Aciprion    formosum               Orellan
    A. sp.                                                             U.Oligocene
    A. sp.                                                             Orellan
    A. sp.                                                             Chadronian
Acleisterorhinus                see   Acleistorhinus
Acleistorhinus                                                         L.Permian
    A. pteroticus(pteronicus)                                          Leonardian
Acompsosaurus                                                          U.Triassic
    A. wingatensis                                                     U.Triassic
Acrodenta                                                              U.Triassic
    A. irerhi                                                          U.Triassic
Acrosaurus                      see   Pleurosaurus
    A. frischmanni                                                     U.Jurassic
Acteosaurus                                         41 cm              M.Cretaceous
    A. crassicostatus                                                  M.Cretaceous
    A. tommasinii
Adamisaurus                                                            U.Cretaceous
    A. magnidentatus            4.3 cm                                 U.Cretaceous
Adaphosaurus                    see Edaphosaurus
Adarnisaurus
Adelosaurus                                                            U.Permian
    A. huxleyi                                                         U.Permian
Adriosaurus                     see   Acteosaurus
    A. suessi                                                          Cenomanian-Turonian
Aegirosaurus                                                           U.Jurassic
    A. leptospondylus                                                  U.Jurassic
Aenigmosaurus                                                          U.Permian-L.Triassic
    A. grallator                                                       U.Permian-L.Triassic
Aerosaurus                      10 cm               76 cm              L-U.Permian
    A. greenleeorum                                                    Wolfcampian
    A. wellesi                  10 cm?            76 cm?               L-U.Permian
Aetosauroides                                     1.5 m                U.Triassic
    A. scagliai(scagliari)      see   Stagonolepis robertsoni          U.Triassic
Aetosaurus                                                             L-U.Triassic
    A. arcuatus(arctuatus)                                             L-U.Triassic
    A. crassicauda                                  1.5 m              Triassic
    A. ferratus                               90 cm               Norian
    A. sp.                                                        Carnian
Agama                                                             M.Paleocene-U.Miocene
    A. galliae                                                    U.Eocene-L.Oligocene
    A. sinensis                                                   M.Paleocene
    A. sp.                                                        U.Miocene
Aigialosaurus                                1.8 m                M.Cretaceous
    A. buccichi(bucchichi)   18 cm           1.8 m                M.Cretaceous
    A. dalmaticus            11 cm?          1 m?                 M.Cretaceous
Aldzadasaurus                see Alzadasaurus
    A. columbiensis          see Alzadasaurus columbiensis
Alethesaurus                 see Chamops
    A. quadratus             see Chamops segnis            Maastrichtian
Altanteius                                                 U.Cretaceous
    A. facilis                                             U.Cretaceous
Alzadasaurus                                 9.2 m         L.Cretaceous
    A. colombiensis          see Callawayasaurus
    A. columbiensis          see Callawayasaurus
    A. kansasensis           see Styxosaurus snowi
    A. pembertoni            see Styxosaurus snowi
    A. riggsi                see Thalassomedon hanningtoni
    A. serpentinus
    A. tropicus                                                   L.Cretaceous
Amblyolacerta                                                     M.Miocene
    A. dolnicensis                                                Orleanian
Ameiva                                                            U.Pleistocene-Recent
    A. auberi
    A. a. thoracica                           18 cm?              Rancholabrean-Recent
    A. chrysolaema           living Jungle Runner                 Rancholabrean-Recent
    A. exsul                                  30 cm?              Rancholabrean-Recent
    A. griswoldi                                                  Rancholabrean-Recent
    A. sp.                   2.5 cm?                              Pleistocene
    A. taeniura              living Jungle Runner                 Rancholabrean-Recent
Amphekepubis                                  9.2 m               U.Cretaceous
    A. johnsoni                               9.2 m               Santonian
Amphibolurus                                                      Pleistocene
    A. sp.                                                        Pleistocene
Amphorosteus                                                      U.Cretaceous
    A. brumbyi               indeterminate material               U.Cretaceous
Anarosaurus                                                       M.Triassic
    A. heterodontus          5 cm?                                Anisian
    A. multidentatus         see Cymatosaurus     multidentatus
    A. pumilio(pumilis)      7.6 cm?                              Anisian
Anchaosaurus                                                      U.Cretaceous
    A. gilmorei                                                   U.Cretaceous
Anchaurosaurus                                                    U.Cretaceous
    A. gilmorei                                                   Campanian
Ancistrodon                  see   Ankistrodon
Ancylocentrum                see   Prognathodon
Angelosaurus                                                      U.Permian
    A. dolani                                                     U.Permian
    A. greeni                                           U.Permian
    A. romeri                                           U.Permian
Angingosaurus          see  Anquingosaurus
Angistorhinopsis       see  Rutiodon
    A. ruetimeyeri     see  Rutiodon ruetimeyeri
Angistorhinus                           9.8 m?          U.Triassic
    A. aeolamnis       68 cm?                           Carnian
    A. alticephalus    122 cm           9.8 m?          Carnian
    A. gracilis                                         Carnian
    A. grandis         70 cm?                           Carnian
    A. maximus                                          Carnian
    A. megalodon       124 cm           9.8 cm?         Carnian
    A. talainti                                         Carnian
Angolasaurus                                            U.Cretaceous
    A. bocagei         see Platecarpus bocagei          Turonian
Anguingosaurus         see Anquingosaurus
Anhuisaurus            preoccupied, see Chensaurus
Anolis                                                  L.Miocene-Recent
    A. dominicanus                                      L.Miocene-Pleistocene
Angolosaurus           see   Angolasaurus
    A. bocagei         see   Angolasaurus   bocagei
Anguinosaurus          see   Pleurosaurus
Anguis                                                  Oligocene-Pleistocene
    A. acutidentatus   nomen dubium                     M.Miocene
    A. bibronianus     see Ophisaurus   bibronianus     U.Miocene
    A. cf. Fragilis                                     U.Pliocene-M.Pleistocene
    A. fragilis        living Slow Worm                 Irvingtonian-Recent
    A. laurillardi     see Ophisaurus laurillardi       U.Miocene
    A. lemanensis      nomen dubium                     U.Oligocene
    A. polgardiensis   see Ophisaurus pannonicus
    A. robustus                                         L.Miocene
    A. sp.                                              L.Oligocene
    A. stammeri                                         U.Pleistocene
Anguisaurus            see   Pleurosaurus
Anhuisaurus                                             L.Triassic
    A. chaoxianensis   see Chaohusaurus geishanensis    Spathian
    A. faciles         see Chaohusaurus geishanensis    Spathian
    A. huainanensis    indeterminate material           Paleocene
Anisimova?             see Microcnemus sp.
Anisodontosaurus                                        L.Triassic
    A. greeri                                           L.Triassic
Ankistrodon            see   Chasmatosaurus             L.Triassic
    A. indicus         see   Chasmatosaurus   indicus   L.Triassic
Ankylosphenodon                                         M.Cretaceous
    A. pachyostosus                                     Albian
Anniella                                                U.Miocene-Recent
    A. sp.                                              U.Miocene
Anningia                                                U.Permian
    A. megalops        nomen vanum                      U.Permian
Anolis                                                  U.Oligocene-Recent
    A. angusticeps     living           8 cm?           Rancholabrean-Recent
    A. bimaculatus
    A. b. leachii                          24 cm?             U.Pleistocene-Recent
    A. carolinensis       living Green Anole                  Irvingtonian-Recent
    A. cf. Cristatellus                    14 cm?             Holocene
    A. chlorocyanus       living           12 cm?             Rancholabrean-Recent
    A. coelestinus                                            Holocene
    A. cuvieri            3.7 cm            40 cm?            Rancholabrean
    A. cybotes            living            15 cm?            Rancholabrean-Recent
    A. distichus                            10 cm?            Rancholabrean-Recent
    A. dominicanus        9 mm              14 cm?            L.Miocene
    A. electrum           5 mm              6 cm?             U.Oligocene-M.Miocene
    A. equestris          living                              Holocene-Recent
    A. evermanni          living            10 cm?            Rancholabrean-Recent
    A. krugi              living                              Rancholabrean-Recent
    A. leachii            see Anolis     bimaculatus    leachii
    A. lucius                                                 Holocene
    A. occultus           living            9 cm?             Rancholabrean-Recent
    A. ricordi                              38 cm?            Rancholabrean-Holocene
    A. roquet             living                              Holocene-Recent
    A. sagrei             living            15 cm?            Rancholabrean-Recent
    A. sp.                                                    L-U.Miocene
    A. sp.                                                    Pleistocene-Holocene
    A. spp.                                                   Rancholabrean-Holocene
    A. wattsii
    A. w. foresti         see   Anolis   spp.                 Holocene
Anomocephalus
    A. africanus
Anomoiodon                                                    L.Triassic
    A. liliensterni                                           L.Triassic
Anomosaurus               see   Placodus
    A. no species given   see   Placodus   gigas
    A. strunzi            see   Placodus   gigas
Anquingosaurus                                                M.Paleocene
    A. brevicephalus                                          M.Paleocene
Anshunsaurus                                                  U.Triassic
    A. huangguoshuensis   35 cm?           3 m                Ladinian-Carnian
Anthodon                                   1 m                U.Permian
    A. chlynoviensis      see Deltavjatia vjatkensis          Tatarian
    A. gregoryi           38 cm                               U.Permian
    A. haughtoni          indeterminate material
    A. minusculus                                             U.Permian
    A. nesemanni          23 cm                               U.Permian
    A. rossicus           see Deltavjatia       vjatkensis    Tatarian
    A. serrarius          see Deltavjatia       vjatkensis    Tatarian
    A. sp.                                                    U.Permian
Anthracodromeus                             16 cm?            M.Pennsylvanian
    A. longipes                                               Westphalian
    A. sp.                                                    Westphalian
Apatodontosaurus          see   Ophthalmosaurus               U.Jurassic
Aphanizocnemus                                                U.Cretaceous
    A. libanensis                                             U.Cretaceous
Aphelosaurus                                              U.Permian
    A. lutevensis                                         U.Permian
Aphrosaurus                                 10.2 m        U.Cretaceous
    A. furlongi           see   Morenosaurus stocki       Maastrichtian
Apodosauriscus                                            L.Eocene
    A. minutus                                            Wasatchian
Apractocleides            see   Apractocleidus
    A. aldingeri          see   Apractocleidus
Apractocleidus            see   Cryptocleidus
    A. aldingeri          see   Cryptocleidus aldingeri
    A. teretipes          see   Cryptocleidus eurymerus
Apsisaurus                                                L.Permian
    A. witteri
Aptychodon                                              U.Cretaceous
Araeosaurus                                             U.Cretaceous
Araeoscelis               4.4 cm          60 cm         L.Permian
    A. casei                                            Wolfcampian
    A. gracilis           9 cm?                         Wolfcampian
Archaeobelus              see Clepsydrops               L.Permian
    A. vellicatus         see Clepsydrops collettii     L.Permian
Archaeobolus              see Archaeobelus              L.Permian
    A. vellicatus         see Archaeobelus vellicatus   L.Permian
Archaeonectrus            50 cm           3.8 m         L.Jurassic
    A. rostratus          50 cm           3.8 m         Sinemurian
Archaeothyris             9 cm    10 cm   50 cm         M.Pennsylvanian
    A. florensis                                        M.Pennsylvanian
    A. sp.                                              Westphalian
Archaeovenator                                          U.Pennsylvanian
    A. hamiltonensis      3 cm?           34 cm?        Stephanian
Archerpeton               see Amphibia Index            L.Pennsylvanian
    A. anthracos                                        Westphalian
Archosaurus               28 cm           1.5 m         U.Permian
    A. rossicus           28 cm                         Tatarian
Archovaranus                                            M.Jurassic
    A. klameliensis                                     M.Jurassic
Ardeosaurus                               20 cm         U.Jurassic
    A. brevipes                           16 cm?        U.Jurassic
    A. cf. Digitalellus                                 U.Jurassic
    A. digitalellus                       16 cm?        U.Jurassic
    A. schroederi         see Eichstaettisaurus schroederi
Arganarhinus                                            U.Triassic
    A. magnoculus         27.5 cm                       U.Triassic
Argentinasuchus           see Argentinosuchus?          U.Triassic
Argentinosuchus           15 cm           91 cm         U.Triassic
    A. bonapartei         see Stagonolepis robertsoni   Carnian
Aristelliger                                            U.Pleistocene-Holocene
    A. lar                                              Rancholabrean-Holocene
    A. praesignis                                       Rancholabrean-Holocene
    A. sp.                                              Rancholabrean
    A. titan              see Aristelliger lar          Rancholabrean-Holocene
Aristodesmus              see Sclerosaurus
    A. ruetimeyeri(rutimeyeri)   see    Sclerosaurus armatus        Triassic
Aristonectes                     73.5   cm          8.3 m           U.Cretaceous
    A. parvidens                 73.5   cm          8.3 m           Maastrichtian
    A. sp.                       see    Aristonectes parvidens      Maastrichtian
Arizonasaurus                                                       L-M.Triassic
    A. babbitti                                                     Anisian
Armandisaurus                                                       L.Miocene
    A. explorator                                                   Burdigalian-Hemphillian
Arpadosaurus                                                        L.Eocene
    A. gazinorum                 7 cm?                              Wasatchian
Arretosaurus                                                        U.Eocene
    A. ornatus                   8.5 cm?                            U.Eocene-Oligocene
Arribasaurus                     see Ophiacodon
    A. navajovicus               see Ophiacodon    navajovicus      L.Permian
Arribasuchus                                                        U.Triassic
    A. buceros                                                      Rhaetian
Asiacephalosaurus                see Clevosaurus                    L.Jurassic
    A. wangi                     see Clevosaurus wangi              L.Jurassic
Askeptosaurus                    20 cm           2 m                M.Triassic
    A. italicus                                  2 m                M.Triassic
Atokasaurus                                                         L.Cretaceous
    A. metarsiodon                                                  Aptian-Albian
Attenborosaurus                  43 cm             5.1 m            L.Jurassic
    A. conybeari(conybeare)      43 cm             5.1 m            Sinemurian
Augustasaurus                                                       M.Triassic
    A. hagdorni                  37 cm             4 m?             Anisian
Axonoscincus                                                        L.Eocene
    A. sabatieri                 1.5 cm?                            Ypresian
Azendhosaurus                                                       U.Triassic
    A. laaroussii                                                   Carnian
Baeotherates                                                        L.Permian
    B. fortsillensis                                                L.Permian
Bainguis                                                            U.Cretaceous
    B. parvus                    2.2 cm                             Campanian
    B. sp.                                                          U.Cretaceous
Baldwinonus                                                         L.Permian
    B. dunkardensis                                                 L.Permian
    B. trux                                                         L.Permian
Baptanodon                                         4 m              U.Jurassic
    B. discus                                                       U.Jurassic
    B. marshi
    B. natans                                                       U.Jurassic
    B. reedi
    B. robustus
Baptosaurus                                                         U.Cretaceous
    B. fraternus                 see    Plioplatecarpus depressus
    B. onchognathus              see    Halisaurus onchognathus
    B. platyspondylus            see    Halisaurus platyspondylus
Barasaurus                                                          U.Permian
    B. besairiei                 2.5 cm?                            U.Permian
Barista                                                             Pleistocene
    B. cf. Imbricata                                         Pleistocene
    B. imbricata
Barungoia                                                    U.Cretaceous
    B. vasta               2.25 cm                           U.Cretaceous
Baseodon                   see Mosasaurus
Bashkyoleter                                                 U.Permian
    B. bashkyricus                                           U.Permian
    B. mesensis                                              U.Permian
Basicranodon                                                 L.Permian
    B. fortsillensis                                         L.Permian
Basileosaurus              see   Sclerosaurus                L.Triassic
Basiliscus                                                   Holocene
    B. vittatus                                              Holocene
Basutodon
Bathyglyptus               see   Dimetrodon
    B. theodori            see   Dimetrodon    grandis
Bathygnathus                                                 L.Permian
    B. borealis                                              L.Permian
Bathyspondylus                                 2.15 m        U.Jurassic
    B. swindoniensis                           2.15 m        Kimmeridgian
Batrachiosaurus            see   Mosasaurus
Batrachosaurus             see   Heleosuchus
    B. griesbachi          see   Heleosuchus    griesbachi
Batrachotherium            see   Mosasaurus
Batrachotomus                                                M.Triassic
    B. kupferzellensis     6.5 cm?             39 cm?        Anisian
Bavarisaurus                                                 U.Jurassic
    B. cf. Macrodactylus                                     U.Jurassic
    B. macrodactylus                           16 cm?        U.Jurassic
Bayloria                   see Captorhinus
    B. morei               immature specimen of Captorhinus aguti
Becklesisaurus             see Becklesius
    B. brodiei             probably Becklesius hoffstetteri
    B. hoffstetteri        see Becklesius hoffstetteri
    B. scincoides          see Paramacellodus oweni
Becklesius                                                 U.Jurassic
    B. cataphractus                                        Barremian
    B. hoffstetteri        2.3 cm?                         Kimmeridgian
Belebey                                                    U.Permian
    B. maximi              probably B. vegrandis
    B. vegrandis           3.3 cm?                         Kazanian
Belodon                                     3 m            U.Triassic
    B. buceros             see Arribasuchus buceros        U.Triassic
    B. ingens                                              U.Triassic
    B. kapffi              see Nicrosaurus kapffi          U.Triassic
    B. kapfi               see Phytosaurus kapfi           U.Triassic
    B. planirostris        see Mystriosuchus planirostris
    B. plieningeri         see Nicrosaurus meyeri          U.Triassic
    B. scolopax            see Rutiodon scolopax           U.Triassic
    B. superciliosus       see Nicrosaurus superciliosus U.Triassic
    B. validus             see Rutiodon validus or Nicrosaurus validus
Besanosaurus                                             M.Triassic
    B. leptorynchus                                      Anisian-Ladinian
Bharatagama                                              L-M.Jurassic
    B. rebbanensis                                       L-M.Jurassic
Bicuspidon                                               M.Cretaceous
    B. numerosus                                         Albian-Cenomanian
Bishanopliosaurus                            4.1 m       L.Jurassic
    B. youngi                                4.1 m       Toarcian
Blanus                                                   U.Pliocene-Recent
    B. sp.               9 mm                            U.Pliocene
Blezingeria              see Cymbospondylus?
    B. ichthyospondyla                                   M.Triassic
Blomia                   see   Blomosuchus               L.Triassic
    B. georgii           see   Blomosuchus    georgii    Induan
Blomosaurus                                              U.Permian-L.Triassic
    B. ivachnenkoi                                       Induan
Blomosuchus                                              L.Triassic
    B. georgii                                           L.Triassic
    B. sp.                                               L.Triassic
Bolosaurus                                               L.Permian
    B. grandis           5 cm?                           Leonardian
    B. major                                             Leonardian
    B. rapidens                                          Permian
    B. sp.                                               Wolfcampian
    B. striatus                                          Wolfcampian
    B. traati                                            Asselian
Boreopricea                                  30 cm       L.Triassic
    B. funerea                               30 cm       Olenekian
Bothriagenys                                             M-U.Cretaceous
    B. mysterion                                         Albian-Cenomanian
Brachauchenius           1.5 m           11.2 m          M.Cretaceous
    B. lucasi            1.5 m           11.2 m          Cenomanian-Turonian
Brachauchenus            see Brachauchenius
Brachycnemius            see Edaphosaurus
    B. dolichomerus      see Edaphosaurus pogonias       L.Permian
Brachypareia             see Bradysaurus
    B. rogersi           see Bradysaurus rogersi         U.Permian
    B. watsoni           see Bradysaurus watsoni         U.Permian
Brachypterygius                                          M.Triassic-L.Jurassic
    B. extremus                                          Portlandian
    B. mordax
    B. zhuravlevi        see Otschevia   zhuravlevi      Tithonian
Brachyrhinodon           2.3 cm           15 cm          U.Triassic
    B. sp.
    B. taylori                                           U.Triassic
Brachysaurana            see   Prognathodon
Brachysaurus             see   Prognathodon              U.Cretaceous
    B. overtoni          see   Prognathodon overtoni     U.Cretaceous
Brachysuchus             see   Angistorhinus             U.Triassic
    B. megalodon         see   Angistorhinus megalodon   Carnian
Bradypareia              see   Bradysaurus
Bradysaurus                                    3 m            L-M.Permian
    B. acutirostris                                           M.Permian
    B. angustus(angusta)   53 cm?                             M.Permian
    B. baini               42 cm               3 m            L-M.Permian
    B. bombidens           40 cm                              L.Permian
    B. broomi                                                 L.Permian
    B. rogersi             42 cm                              U.Permian
    B. seeleyi             44 cm                              Permian
    B. serridens                               2.5 m          Permian
    B. sp.                                                    Permian
    B. strubeni            see Embrithosaurus strubeni        M.Permian
    B. vanderbyli          51 cm                              Permian
    B. watsoni             48 cm                              U.Permian
    B. whaitsi             50 cm                              Permian
Bradysuchus                see Bradysaurus                    M.Permian
    B. whaitsi             se    Bradysaurus whaitsi
Brancasaurus               27 cm            3.7 m             L.Cretaceous
    B. brancai             27 cm            3.7 m             Berriasian
Brasileosaurus                                                U.Cretaceous
    B. pachecoi                                               U.Cretaceous
    B. sanpauloensis                                          U.Cretaceous
Brazilosaurus              probably    Brasileosaurus
    B. sanpauloensis       probably    Brasileosaurus   sanpauloensis
Brimosaurus                                                   U.Cretaceous
    B. grandis                                                Maastrichtian
Broilisaurus               see   Eichstaettisaurus
    B. schroederi          see   Eichstaettisaurus    schroederi
Bromsgroveia                                                  M-U.Triassic
    B. walkeri                                                Ladinian
Brookesia                                                     Holocene
Broomia                                                       U.Permian
    B. perplexa            3 cm?                              U.Permian
Brouffia                                                      M.Pennsylvanian
Browniella                 see   Euparkeria                   L.Triassic
    B. africana            see   Euparkeria    capensis       L.Triassic
Brydasuchus                see   Bradysaurus
Buckantaus                                                    U.Cretaceous
Burtensia                                                     L.Triassic
    B. burtensis                                              Olenekian
Cadaliosaurus              see     Kadaliosaurus
Cadurciguana                                                  U.Eocene
Cadurcogekko                                                  U.Eocene-L.Oligocene
    C. piveteaui           nomen dubium                       U.Eocene-L.Oligocene
Cadurcosaurus                                                 Eocene
    C. sauvagei
Californosaurus                                               U.Triassic
    C. perrini                             3 m                Carnian
Callawayasaurus            40 cm           8 m                M.Cretaceous
    C. colombiensis        40 cm           8 m                Aptian
Callawayosaurus            see Callawayasaurus
Callibrachion              see Haptodus
    C. gaudryi         see   Haptodus   baylei         L.Permian
Callisaurus                                            Pliocene-Pleistocene
    C. sp.                                             Blancan-Irvingtonian
Callopistes                                            U.Pliocene
    C. bicuspidatus                                    U.Blancan
Calyptosuchus                            3 m           U.Triassic
    C. wellesi         see   Stagonolepis wellesi      Carnian
Calyptosusuchus        see   Calyptosuchus
    C. wellesi         see   Calyptosuchus wellesi
Candelaria                                           M.Triassic
    C. barbouri        5 cm?                         M.Triassic
Capitolacerta          see Geiseltaliellus           M.Eocene
    C. dubia           see Geiseltaliellus longicaudus
Capthprihinus          probably Captorhinus
Captorhinikos                                        L.Permian
    C. chozaensis      5 cm?                         L.Permian
    C. parvus
    C. valensis        15 cm?                          L.Permian
Captorhinioides                                        L.Permian
    C. valensis                                        L.Permian
Captorhinus            8.4 cm         76 cm            L.Permian
    C. aduncus         see Captorhinus aguti
    C. aguti(agouti)                  38 cm            Leonardian
    C. angusticeps     see Captorhinus aguti           Leonardian
    C. gregoryi                                        Leonardian
    C. illinoiensis    nomen dubium, see Clepsydrops   vinslovii?
    C. incisivus       see Captorhinus aguti           Leonardian
    C. isolomus        see Captorhinus aguti
    C. laticeps        probably Captorhinus aguti      Leonardian
    C. ordinatus       nomen dubium
    C. sp.                                             Leonardian
Carinodens                                             U.Cretaceous
    C. belgicus                           3.7 m        Campanian-Maastrichtian
    C. fraasi                                          Campanian-Maastrichtian
Carlesia               see   Dicarlesia
Carsosaurus                               1.5 m        M-U.Cretaceous
    C. marchesetti                        1.5 m        Cenomanian-Turonian
Carusia                                                U.Cretaceous
    C. intermedia      3.2 cm                          U.Cretaceous
Casea                  11 cm              122 cm       L.Permian
    C. broili                                          L.Permian
    C. halselli                                        L.Permian
    C. nicholsi                                        L.Permian
    C. rutena                                          L.Permian
Caseoides                                              U.Permian
    C. sanageloensis                                   U.Permian
Caseopsis                                              U.Permian
    C. agilis                                          U.Permian
Casineria
    C. kiddi
Caypullisaurus                                         U.Jurassic
    C. bonapartei                                           Tithonian
Celestus                                                    U.Pleistocene-Holocene
    C. costatus                                 26 cm?      Rancholabrean-Recent
    C. sp.                                                  Rancholabrean-Recent
    C. sp.                                      50 cm?      Rancholabrean
Centemodon                  see   Nicrosaurus               L.Triassic
    C. sulcatus                                             L.Triassic
Cephalastron                see   Scaphonyx
    C. gondwanicum          see   Scaphonyx   fischeri
Cephalatronius              see   Scaphonyx
    C. angustispinatus      see   Scaphonyx   fischeri
Cephalerpeton                                               M.Pennsylvanian
    C. aff. Ventriarmatum                                   Westphalian
    C. longipes             indeterminate material
    C. ventriarmatum        2.7 cm?          25 cm?         Westphalian
Cephalonia                  see Scaphonyx
    C. lotziana             see Scaphonyx fischeri
Ceraunosaurus                                               M.Cretaceous
    C. brownorum            see   Trinacromerum bentonianum
Ceresiosaurus                                 4 m           M.Triassic
    C. calcagnii            see Lariosaurus calcagnii       Anisian-Ladinian
    C. lanzi                see Lariosaurus lanzi           Ladinian
Cerritosaurus                                               M.Triassic
    C. binsfeldi            9 cm                            Ladinian
Cetarthrosaurus                                             U.Cretaceous
    C. walkeri                                              U.Cretaceous
Chacaicosaurus                                              M.Jurassic
    C. cayi                                                 Bajocian
Chacaiosaurus               see Chacaicosaurus
Chalcides                                                   U.Pliocene-Recent
    C. sp.                                                  U.Pliocene
    C. sp.                                                  Pleistocene
Chaliminia                                                  U.Triassic
    C. musteloides                                          U.Triassic
Chalischevia                                                M.Triassic
    C. cothurnata           70 cm?                          Ladinian
Chamaleo                                                    M.Miocene-Recent
    C. caroliquarti                                         M.Miocene
    C. intermedius          2 cm?                           U.Miocene
    C. pristinus            see Tinosaurus pristinus
Chamaleognathus                                             U.Cretaceous
    C. iordanskyi                                           U.Cretaceous
Chamasaurus                                                 L.Permian
    C. dolichognathus       2 cm?                           L.Permian
Chamatosuchus               see Chasmatosuchus
    C. rossicus             see Chasmatosuchus rossicus
Chamops                     5 cm?                           U.Cretaceous
    C. denticulatus                                         Maastrichtian
    C. segnis                                               Campanian-Maastrichtian
    C. sp.                                                  Maastrichtian
    C. sp.                                                  Campanian
Champsosaurus                      34 cm               2.5 m?      U.Cretaceous-Eocene
    C. albertensis                                                 U.Cretaceous
    C. ambulator                                                   Maastrichtian
    C. annectens                                                   Campanian
    C. australis                                                   Torrejonian
    C. brevicollis                                                 Campanian
    C. dakotensis
    C. dolloi
    C. gigas                       49 cm                           Tiffanian-Clarkforkian
    C. laramiensis                                                 Maastrichtian
    C. lemoinei
    C. lindoei
    C. natator                                                     Campanian
    C. nator                       probably     C. natator         Campanian
    C. profundus                                                   Campanian
    C. puercensis                                                  Torrejonian
    C. saponensis                                                  Torrejonian
    C. sp.                                                         Campanian
    C. sp.                                                         Campanian-Tiffanian
    C. sp.                                                         Paleocene
    C. sp.                                                         Torrejonian
    C. sp.                                                         Torrejonian
    C. sp.                                                         L-U.Paleocene
    C. sp.                                                         Maastrichtian-Torrejonian
    C. tenuis                                                      U.Paleocene
    C. vaccinsulensis                                              Campanian
Chanaresuchus                      26 cm      30 cm?   122 cm      M.Triassic
    C. bonapartei                  26 cm      30 cm?   122 cm      M.Triassic
    C. sp.                                             76 cm       M.Triassic
Changetisaurus                                                     M.Jurassic
Changisaurus                       belongs to a turtle             U.Jurassic
    C. microrhinus                 belongs to a turtle             U.Jurassic
Changjiangosaurus                                                  Paleocene
    C. huananensis                                                 Paleocene
Changlosaurus                                                      Oligocene
    C. wutuensis                   nomen dubium                    Eocene?
Chaohusaurus                                           1.8 m?      L.Triassic
    C. geishanensis(geishanesis)                       71 cm       Spathian
Chaosaurus                         see     Chaohusaurus
Charitodon
    C. tschudii                    some consider it a fish, nomen dubium
Charitosaurus                                                      M.Triassic
    C. tschudii                    see Charitodon tschudii
Chasmatorsaurus                    see Chasmatosaurus
Chasmatosaurus                     46 cm            2.8 m?         L.Triassic
    C. alexandri                   24 cm?                          L.Triassic
    C. indicus                                                     L.Triassic
    C. rubidgei                                                    L.Triassic
    C. sp.                         possibly C. vanhoepeni          L.Triassic
    C. ultimus                                                     Olenekian
    C. vanhoepeni                  28 cm?                          L.Triassic
    C. yuani                                         38 cm?     L.Triassic
Chasmatosuchus                                                  L.Triassic
    C. magnus                     see Jaikosuchus magnus & Tsylmosuchus jakovlevi
    C. parvus                     see Microcnemus efremovi      Olenekian
    C. rossicus                                                 Olenekian
    C. sp.                        see Chasmatosuchus rossicus   Olenekian
    C. vjushkovi                  see Garjainia prima           Olenekian
Chasmotosaurus                    see Chasmatosaurus
    C. alexandri                  see Chasmatosaurus alexandri
Chatterjeea                       see Shuvosaurus?              U.Triassic
    C. elegans                    see Shuvosaurus inexpectatus? Norian
Chelyoposaurus                    see Chelyoposuchus
Chelyoposuchus                    see Henodus                   U.Triassic
    C. crassisquamatus                                          Rhaetian
Chelyposuchus                     see Chelyoposuchus            U.Triassic
    C. crassisquamatus                                          Rhaetian
Chensaurus                                                      L.Triassic
    C. chaoxianensis              see Chaohusaurus geishanensis Spathian
    C. faciles                    see Chaohusaurus geishanensis Spathian
Cherminothus                      see Cherminotus
Cherminotus                       4.8 cm?                       U.Cretaceous
    C. longifrons                 2 cm                          Campanian
Cherminsaurus                                                   U.Cretaceous
    C. kozlowskii                 6.5 cm                        Campanian
Chilenosuchus
Chilingosaurus                    nomen dubium                    U.Cretaceous
    C. chingshankouensis          actually a fish
Chinchenia                                                        M.Triassic
    C. sungi                      nomen dubium                    Ladinian
Chinleogomphius                                                   U.Triassic
    C. jacobsi                                                    Carnian
Chlamydosaurus                    see   Clamydosaurus             Pleistocene-Recent
Chometokadmon                                                     U.Cretaceous
    C. fitzingeri(fiitzingheri)                                   Cenomanian
Chompsosaurus                     see   Champsosaurus
Chudinoviella                     see   Rhipaeosaurus talonophorus?
Cimoliasaurus                                       8.9 m         U.Cretaceous
    cf. C. magnus                                                 Maastrichtian
    C. andium
    C. australis
    C. bernardi                   see   Crymocetus   bernardi
    C. brevior
    C. cantabrigiensis
    C. caudalis                   see   Mauisaurus   haasti       Cretaceous
    C. durobrivensis
    C. laramiensis
    C. leucocephalus                                              L.Cretaceous
    C. leucospelus                see   Trinacromerum
    C. limnophilus
    C. maccoyi                                       4 m?         Santonian
    C. magnus                                                     Santonian
    C. nazarowi                  see Scanisaurus nazarowi        Senonian
    C. planus
    C. plicatus                                                  Oxfordian
    C. rex                       see Megalneusaurus rex
    C. richardsoni
    C. smithi
    C. snowii                    see Styxosaurus snowii
    C. sp.                                                       L.Cretaceous
    C. valdensis
    C. vetustus                  see Discosaurus vetustus
Cimoliosaurus                    see Cimoliasaurus
    C. richardsoni               see Cimoliasaurus richardsoni
Cladeiodon                       see Teratosaurus
Claderodon                       see Teratosaurus
Cladyodon                        see Teratosaurus
Clamydosaurus                                                    Pleistocene-Recent
    C. bennetti                  see Clamydosaurus kingi
    C. kingi(kingii)                                             Pleistocene-Recent
Clarazia                                                         M.Triassic
    C. schinzi                                                   M.Triassic
Clarencea                        now considered a protosuchian, see Crocodilian Index
    C. gracilis                  now considered a protosuchian, see Crocodilian Index
Clarensia
    C. gracilis                  see Clarencea gracilis
Claudiosaurus                    3 cm             60 cm          U.Permian
    C. germaini                                                  U.Permian
Clepsisaurus                     probably Clepsysaurus
    C. leai                      see Rutiodon leai               U.Triassic
Clepsydrops                                       1.3 m?         U.Pennsylvanian
    C. colletti                  indeterminate material          U.Pennsylvanian
    C. gigas                     see Dimetrodon gigas
    C. lateralis                 nomen nudum
    C. leptocephalus             see Diopeus leptocephalus
    C. limbatus                  see Dimetrodon limbatus
    C. macrospondylus            see Dimetrodon macrospondylus
    C. magnus                                                    U.Pennsylvanian
    C. natalis                   see Dimetrodon natalis          L.Permian
    C. pedunculatus              see Clepsydrops collettii       U.Pennsylvanian
    C. sp.                                                       U.Pennsylvanian
    C. sp.                                                       L.Permian
    C. vinslovii                                                 U.Pennsylvanian
Clepsysaurus                     see Rutiodon
    C. manhattanensis            see Rutiodon manhattanensis     Norian
    C. pennsylvanicus(pennsyvanicsee Rutiodon pennsylvanicus     Carnian
    C. veatleianus                                               Carnian
Clevosaurus                                       18 cm          M.Triassic-L.Jurassic
    C. bairdi                    1.9 cm                          Hettangian
    C. hudsoni                   3 cm             24 cm?         Rhaetian
    C. mcgilli                   2.3 cm                          Hettangian
    C. minor                                                     Rhaetian
    C. petilus                   3.5 cm                          U.Triassic
    C. wangi                     3 cm                                Hettangian
Clidastes                        67 cm               6 m             U.Cretaceous
    C. cinemarium                                                    Maastrichtian
    C. conodon                   see Mosasaurus conodon
    C. iguanavus                 see Mosasaurus                      Maastrichtian
    C. intermedius               see Platecarpus intermedius
    C. liodontus                 50 cm          4 m                  Santonian-Campanian
    C. moorevillensis                                                U.Cretaceous
    C. planifrons                see   Platecarpus    planifrons
    C. propython                                     6 m             Campanian
    C. sp.                                                           U.Cretaceous
    C. sternbergi(sternbergii)   see   Halisaurus    sternbergi
    C. tortor                                                        U.Cretaceous
    C. velox                                                         U.Cretaceous
    C. vymanii                                                       U.Cretaceous
Cnemidophorus                                                        L.Miocene-Recent
    C. bilobatus                                                     U.Pliocene
    C. cf. Gularis                                                   U.Pleistocene-Holocene
    C. cf. Sacki                                                     Rancholabrean
    C. cf. Sexlineatus                                               L.Pliocene-U.Pleistocene
    C. cf. Tigris                                                    Rancholabrean-Holocene
    C. sexlineatus               living six-lined Racerunner         Rancholabrean-Recent
    C. sp.                                                           Arikareean-Holocene
    C. tigris                    living Western Whiptail             Rancholabrean-Recent
Cnephasaurus                                                         U.Cretaceous
Coahomasuchus                                                        U.Triassic
    C. kahleorum                                                     Carnian
Coartaredens                                                         M.Triassic
    C. isaaci                                                        Anisian
Coburgosuchus                                                        U.Triassic
    C. goeckeli                                                      U.Triassic
Coelodontognathus                                                    U.Permian-L.Triassic
    C. donensis                  see Coelodontognathus      ricovi
    C. ricovi                    6 cm                          Olenekian
Coelostegus                                                    M.Pennsylvanian
Coelurosauravus                  2.8 cm           46 cm        U.Permian
    C. elivensis                                               U.Permian
    C. jaekeli                   possibly Weigeltisaurus jaekeli?
Coleonyx                                                       U.Pleistocene-Recent
    C. variegatus                living Western Banded Gecko   Rancholabrean-Recent
Coletta                                                        L.Triassic
    C. seca                      6.5 cm?                       L.Triassic
Colobomycter                                                   L.Permian
    C. pholeter(proleter)                                      L.Permian
Colognathus                                                    U.Triassic
    C. obscurus(obsurus)                                       U.Triassic
Colpodontosaurus                                               U.Cretaceous
    C. cracens                                                 Maastrichtian
    C. sp.                                                     Maastrichtian
Colubrifer                                                     L.Triassic
    C. campi                                                   L.Triassic
Colymbosaurus                     48 cm?                6.8 m           U.Jurassic
    C. brachistospondylus
    C. carinatus
    C. dutertrei
    C. sklerodirus(sclerodirus)   indeterminate material                Tithonian
    C. sp.
    C. trochanterius              48 cm?                6.8 m           Kimmeridgian-Tithonian
Compressidens                                                           U.Cretaceous
    C. fraasi                                                           Maastrichtian
Compsosaurus                      see     Nicrosaurus                   U.Triassic
Conchiosaurus                     see     Nothosaurus
    C. clavatus                   see     Nothosaurus    clavatus
Coniasaurus                                                             M-U.Cretaceous
    C. cf. Crassidens
    C. crassidens                                                       Cenomanian
    C. gracilodens                                                      Cenomanian
Conicodontosaurus                                                       U.Jurassic-U.Cretaceous
    C. djadochtaensis             8 mm?                                 U.Cretaceous
    C. kanhsienensis                                                    U.Jurassic-L.Cretaceous
Contectopalatus                   see     Mixosaurus
    C. atavus                     see     Mixosaurus    atavus          M.Triassic
Contogenys                                                              U.Cretaceous-M.Paleocene
    cf. C. sp.                                                          Torrejonian
    C. cf. Sloani                                                       Torrejonian
    C. sloani                                                           Maastrichtian-Torrejonian
    C. sp.                                                              Campanian
    C. sp.                                                              Torrejonian
Contritosaurus                                                          L.Triassic
    C. convector                                                        Induan
    C. simus                      2 cm                                  Induan
Corosaurus                                                              L.Triassic
    C. alcovensis                                                       Scythian
Corytophanes                                                            Pleistocene
Cosesaurus                                              20 cm           M.Triassic
    C. aviceps                                          20 cm           M.Triassic
Costasaurus                                                             U.Cretaceous
    C. rusconi                    nomen dubium                          L.Cretaceous
Cotylorhynchus                    20 cm                 4 m      282 kg L-M.Permian
    C. bransoni                                                         L-M.Permian
    C. hancocki                                                         L-M.Permian
    C. romeri                     20 cm   30 cm? 4 m                    L-M.Permian
Cotylorphynchus                   probably Cotylorhynchus
Creberidentat                                                           M.Eocene
Cremastosaurus                                                          L.Oligocene
    C. carinicollis                                10 cm                Chadronian-Orellan
    C. rhambastes                 probably C. carinicollis              Chadronian-Orellan
    C. unipedalis                 see Platyrhachis unipedalis           Orellan
Crematosaurus                     see Cremastosaurus
Crenelosaurus                     possibly Ticinosuchus           L.Triassic
    C. nigrosilvanus              possibly Ticinosuchus ferox, nomen dubium
Cretagama                                                         U.Cretaceous
    C. bialynickae
Crotaphytus                                               L.Oligocene-Recent
    C. collaris        2.5 cm                             Rancholabrean-Holocene
    C. oligocenicus    see Holmanisaurus?                 Chadronian
    C. sp.                                                Blancan-Holocene
    C. wislizeni                                          Rancholabrean-Holocene
Crurosaurus            see Placodus
    C. problematicus   indeterminate material             Anisian
Crymocetus                                                U.Cretaceous?
    C. barnardi        see   Crymocetus     bernardi
    C. bernardi                                           Senonian
Cryptocleidus          see   Cryptoclidus
    C. aldingeri
    C. beaugrandi
    C. caroli
    C. cuervoi
    C. c. caroli       see   Vinialesaurus    caroli      Oxfordian
    C. c. questadi
    C. eurymerus       see   Cryptoclidus    eurymerus
    C. oxoniensis      see   Cryptoclidus    oxoniensis
    C. richardsoni
    C. simbirskensis
    C. vignalensis
Cryptoclidus           60 cm?              8 m?           M-U.Jurassic
    C. cf. Sp.                                            Jurassic
    C. eurymerus       24 cm           4 m                Callovian
    C. oxoniensis      see Cryptoclidus eurymerus         Callovian
    C. platymerus      see Cryptoclidus eurymerus
    C. richardsoni
    C. simbirskensis   indeterminate material          Callovian-Oxfordian
Crythiosaurus          actually a snake, see Snake Index
    C. mongoliensis    actually a snake, see Snake Index
Cteniogelys
    C. antiquus
    C. sp.
Cteniogemys            see Cteniogenys
Cteniogenys            15 cm                              M-U.Jurassic
    C. antiquus                                           Bathonian-Tithonian
    C. reedi           see   Cteniogenys     antiquus
    C. sp.                                                Tithonian
Ctenorhachis                                              L.Permian
    C. jacksoni                   45 cm?   1.9 m?         Wolfcampian-Leonardian
Ctenosaura                                                Recent
    C. pectinata
    C. premaxillaris                                      Holocene
    C. similis                                            Holocene
Ctenosauriscus                                            L.Triassic
    C. koeneni                             2.5 m?         Scythian
Ctenosaurus                                               L.Triassic
    C. koeneni                            2 m?            Scythian
    C. pectinata       possibly    Ctenosaura pectinata
    C. rugosus                                                 Permian
Ctenospondylus                                                 L.Permian
    C. casei                                                   Wolfcampian
    C. ninevehensis                                            L.Permian
Cubicodon                    see Nicrosaurus
Cutleria                     see Haptodus
    C. wilmarthi             see Haptodus baylei               L.Permian
Cuttysarkus                  an Amphibian, see that Index      U.Cretaceous
    C. mcnallyi              an Amphibian, see that Index      U.Cretaceous
Cuyosuchus                                                     U.Triassic
    C. huenei                                                  Norian
Cyamodus                                         2 m           M.Triassic
    C. cfr. Rostratus        see   Cyamodus    rostratus
    C. hildegardis                                             Anisian-Ladinian
    C. khunschnyderi         see   Cyamodus    kuhnschnyderi
    C. kuhn-schnyderi        see   Cyamodus    kuhnschnyderi
    C. kuhnschnyderi                                           Ladinian
    C. laticeps              see   Cyamodus    muensteri       Anisian
    C. muensteri(munsteri)                                     Anisian
    C. rostratus             11.7cm?                           Anisian-Ladinian
    C. tarnowitzensis        nomen dubium                      Anisian
Cyclura                                                        U.Pleistocene-Recent
    C. mattea                see          pinguis
                                     Cyclura                   Holocene
    C. pinguis                               112 cm?           Rancholabrean-Recent
    C. portoricensis         see Cyclura pinguis               Holocene
    C. sp.                   10 cm           92 cm?            Rancholabrean
Cylindricodon                see Nicrosaurus
Cymatosaurus                                                   M.Triassic
    C. erythreus             see Cymatosaurus sp.              Anisian
    C. fridericianus         20 cm                             Anisian
    C. gracilis              see Cymatosaurus latifrons
    C. latifrons             15 cm                             Anisian
    C. latissimus            see Germanosaurus latissimus
    C. minor                 12 cm?                            Anisian
    C. multidentatus                                           Anisian
    C. schafferi             see   Germanosaurus schafferi
    C. silesiacus            see   Cymatosaurus latifrons
    C. sp.                                                     Anisian
    C. stensioeii                                              M.Triassic
Cymbospondylus                                  13.5 m?        M.Triassic
    C. buchseri              68 cm              5.5 m?         Anisian-Ladinian
    C. germanicus                                              M.Triassic
    C. nevadanus             questionable validity             M.Triassic
    C. natans                                                  M.Triassic
    C. parvus                                 2.8 m?           Anisian-Ladinian
    C. petrinus              110 cm           13.5 m?          M.Triassic
    C. piscous(piscosus)     questionable validity
    C. sp.                                                     L.Triassic
Cynosphenodon                                                  M.Jurassic
    C. huizachalensis                                          M.Jurassic
Cypressaurus                                                   L.Oligocene
    C. hypsodontus               1.5 cm?                       Chadronian
Cyrmocetus                                                     U.Cretaceous
Cyrtodactylus                                                  Recent
    C. serpensinsula                                           Holocene
Dactylosaurus                                                  M.Triassic
    D. gracilis                  16.8cm?                       Anisian
    D. schesederi
    D. schroederi                see Dactylosaurus gracilis
Daedalosaurus                                    41 cm         U.Permian
    D. jaekeli                   see Coelurosauravus jaeckeli
    D. madagascariensis                                        U.Permian
Dalinghesaurus                                                 U.Jurassic
    D. longiditus                                              U.Jurassic
Darchansaurus                                                  U.Cretaceous
    D. estesi                    6.5 cm                        Campanian
Dasygnathoides                   see Ornithosuchus
Dasygnathus                      see Ornithosuchus             U.Triassic
    D. longidens                 see Ornithosuchus longidens   Carnian
Datheosaurus                     see Haptodus
    D. macrourus                 see Haptodus macrourus
Davletkulia                                                    U.Permian
    D. gigantea                  nomen dubium                  Kazanian
Dedaelosaurus                    see Daedalosaurus
    D. madagascariensis          see Daedalosaurus madagascariensis
Deirosaurus                      see Lariosaurus
    D. italicus                  see Lariosaurus balsami
Delorhynchus                                                   L.Permian
    D. priscus(pristus)                                        L.Permian
Delphinosaurus                   see Californosaurus           U.Triassic
    D. perrini                   see Californosaurus perrini   Carnian
Deltatmema                       see Ctenosaura?               Holocene
    D. premaxillaris             see Ctenosaura premaxillaris Holocene
Deltavjatia                                      3 m           U.Permian
    D. vjatkensis                30 cm           3 m           Tatarian
Deltavyka                                                      U.Permian
Dematosuchus                     see Desmatosuchus
Desmatosuchus                                    4.9 m  1.1 t U.Triassic
    D. haplocerus(haploceras)    40 cm?          4.9 m  1.1 t Carnian
    D. sp.                                                     Carnian
    D. sp.                                                     U.Triassic
    D. spurensis                 see Desmatosuchus haplocerus U.Triassic
Diacium                                                        L.Oligocene
    D. quinquepedale(quinquepedalis)             1.8 m?        Orellan
    D. sesquipedale              see Diacium quinquepedale
    D. unipedale(unipedalis)     see Platyrhachis unipedalis
Diadectes                        see Amphibia Index
Dianosaurus                      see Clevosaurus               L.Jurassic
    D. petilus                   see Clevosaurus petilus       L.Jurassic
Dianzhongia                                                    L.Jurassic
    D. longirostrata                                           L.Jurassic
Diasemosaurus                                                  L.Miocene
    D. occidentalis                nomen dubium                       Arikareean
Dibolosodon                                                           L.Miocene
    D. typicus                                                        Santacrucian
Dibothrosuchus                     see     Crocodylia Index
Dicarlesia                                                            U.Cretaceous
    D. incognita                   nomen dubium                       L.Cretaceous
Dicothodon                                                            M.Cretaceous
    D. moorensis                                                      Turonian
Dicrodon                                                              U.Pleistocene-Recent
    D. sp.                                                            Rancholabrean
Dictybolus
Didosaurus                                                            Pleistocene
    D. mauritianus(mauritanas)     see   Leiolopisma     mauritania   Pleistocene
Dimekodontosaurus                                                     U.Jurassic
    D. madseni                                                        U.Jurassic
Dimertodon                         see     Dimetrodon
Dimetopisaurus                                                        M.Eocene
    D. sp.                                                            Bridgerian
    D. wyomingensis                see   Xestops   vagans?            Bridgerian
Dimetrodon                                            4.3 m           L.Permian
    D. angelensis                  58 cm              3.85 m?         L.Permian
    D. berea                                                          Permian
    D. biradicatus
    D. booneorum                                        218 cm?       Wolfcampian
    D. cf. Booneorum                                                  Permian
    D. cf. Loomisi                                                    Permian
    D. cruciger                    see Naosaurus        cruciger
    D. dollovianus(dolloviaanus)   40 cm? 1.2 m?         2.6 m?       Leonardian
    D. giganhomogenes                                    3.2 m        L.Permian
    D. gigas                       45.5 cm               3 m          Leonardian
    D. gigashomogenes                                                 Leonardian
    D. gigashomogenis              see   D. gigashomogenes
    D. gigashomogenus                                                 Leonardian
    D. grandis                     42 cm   1.8 m    3.5 m             Leonardian
    D. inciscivus                  see Dimetrodon limbatus            Wolfcampian
    D. incisivus                                    2 m?
    D. kempi(kempae)               indeterminate material             Leonardian
    D. libratus                                                       L.Permian
    D. limbatus(limbatis)          40 cm?     125 cm? 3 m             Wolfcampian
    D. limbratus                                                      L.Permian
    D. longiramus                  see Secodontosaurus longiramus
    D. loomisi                     28 cm  107 cm 2.6 m            Leonardian
    D. loomsi                      see Dimetrodon loomisi
    D. macrospondylus                              1.6 m?         Wolfcampian
    D. maximus                     see Dimetrodon grandis
    D. milleri                     22 cm  67 cm    173 cm         Wolfcampian
    D. natalis                     14 cm           112 cm         Wolfcampian
    D. navajovicus                 see Ophiacodon navajovicus     L.Permian
    D. obtusidens                                  1.3 m?         L.Permian
    D. occidentalis                                1.7 m?         L.Permian
    D. platycentrus                see Dimetrodon macrospondylus Leonardian
    D. rectiformis         see    Dimetrodon    limbatus    L.Permian
    D. semiradicatus       see    Dimetrodon    limbatus    L.Permian
    D. sp.                                                  Leonardian
    D. sp.                                                  L.Permian
Diopeus                    see Ophiacodon? Dimetrodon?
    D. grandis             probably Dimetrodon
    D. leptocephalus       see Theropleura retroversa
Diphydodontosaurus         see Diphydontosaurus
    D. sp.
Diphydontosaurus           3 cm                             U.Triassic
    D. avonensis                                            Rhaetian
    D. avonis                                               Norian-Rhaetian
    D. sp.                                                  Rhaetian
Diploglossus                                                U.Pleistocene
    D. cadurcensis         see    Placosaurus    quercyi
    D. pleei                                    30 cm?      Rancholabrean-Recent
    D. sp.                                      50 cm?      Rancholabrean-Recent
Diplotomodon                                                U.Cretaceous
    D. horrificus                                           U.Cretaceous
Diposaurus                 probably    Dipsosaurus          L.Miocene-Pleistocene
Dipsosaurus                                                 L.Miocene-Recent
    D. cf. Dorsalis                                         Arikareean
    D. dorsalis            living Desert Iguana             Blancan-Recent
    D. sp.                                                  Blancan-Recent
Discosaurus                                                 U.Cretaceous
    D. permianus           possibly    Discosauriscus       L.Permian?
    D. vetustus                                             U.Cretaceous
Ditrichosaurus             see    Mesosaurus                L.Permian
Ditrochosaurus             see    Mesosaurus                L.Permian
    D. capensis            see    Mesosaurus    capensis    L.Permian
Dolabrosaurus                                               U.Triassic
    D. aquatilis
Dolichobrachium                                             U.Triassic
Dolichopareia              see    Embrithosaurus            M.Permian
    D. angustus(angusta)   see    Embrithosaurus angustus
Dolichorhynchops           1 m                5.2 m         U.Cretaceous
    D. osborni             1 m                5.2 m         Campanian
    D. sp.
Dolichosaurus                                               M.Cretaceous
    D. dalmatinensis                                        M.Cretaceous
    D. longicollis         2.5 cm               43 cm       Cenomanian
Doliovertebra                                               M.Triassic
    D. fritschi            nomen dubium
Dollosaurus                                                 U.Cretaceous
    D. lutugini            60 cm+                           Campanian
    D. sp.                                                  Campanian
Dongusia                                                    M.Triassic
    D. colorata            nomen dubium                     Anisian
Dongusuchus                                                 M.Triassic
    D. efremovi                                             Anisian
Doniceps                                                    L.Triassic
    D. lipovensis                15 cm                          Olenekian
Donyceps                         see Doniceps
    D. lipovoensis               see Doniceps lipovensis
Dopasia
    D. harti
Dormaalisaurus                                                  L.Eocene
    D. girardoti                                                Ypresian
    D. rossmanni                 9 mm?                          Ypresian
    D. sp.                                                      Ypresian
Dorognathus                                                     M.Triassic
Dorosuchus                                                      M.Triassic
    D. neoetus                                                  Anisian
Dorsetisaurus                                                   U.Jurassic
    D. hebetidens                                               Portlandian
    D. purbeckensis              4 cm?                          Kimmeridgian
    D. sp.                                                      Tithonian
Doswellia                                                       U.Triassic
Dracaena                                                        U.Miocene
    D. colombiana                6 cm?                          U.Miocene
Dracaenosaurus                                                  U.Eocene-U.Oligocene
    D. croizeti                  4 cm?                          U.Oligocene
    D. sauvagei                                                 U.Eocene-L.Oligocene
Dracosaurus                      see Nothosaurus
    D. bronni(bronnii)           see Nothosaurus mirabilis
Dravidosaurus                                                   U.Cretaceous
Drepanodon                       see Mosasaurus
Drepanosaurus                                    41 cm          U.Triassic
    D. unguicaudatus(ungicaudatus)               41 cm          Norian
Durotrigia                                                      U.Jurassic
    D. triconodens                                              U.Jurassic
Dyoplax                                                         U.Triassic
    D. arenaceus                                 60 cm?         Carnian
Dyticonastis                                                    U.Oligocene-L.Miocene
    D. rensbergeri                                              U.Oligocene-L.Miocene
Dzhadochtosaurus                                                U.Cretaceous
    D. giganteus                                                U.Cretaceous
Ebrachosaurus                                                   U.Triassic
    E. singularis                                               U.Triassic
Ebrachosuchus                    see Parasuchus
    E. neukami                   see Paleorhinus neukami
Echinerpeton                                                    M.Pennsylvanian
    E. intermedium                                              M.Pennsylvanian
Ectenosaurus                     67 cm           6.2 m          U.Cretaceous
    E. clidastoides              67 cm           6.2 m          Santonian-Campanian
    E. sp.
Ectocynodon                      see Captorhinus                Permian
    E. aguti                     see Captorhinus aguti
    E. incisivus                 see Captorhinus aguti
    E. ordinatus                                                Permian
Edaphosaurus                     15 cm  1.4 m? 3.4 m            U.Pennsylvanian-L.Permian
    E. boanerges                                 2.5 m? 90 kg   Wolfcampian
    E. claviger        see   Edaphosaurus   pogonias   Leonardian
    E. colohistion                                     U.Pennsylvanian
    E. credneri                                        L.Permian
    E. crucifer        probably E. cruciger            Wolfcampian
    E. cruciger        15.7 cm 80 cm? 2.7 m            Wolfcampian-Leonardian
    E. ecordi          see Xyrospondylus ecordi        U.Pennsylvanian
    E. microdus        see Edaphosaurus cruciger       Wolfcampian
    E. minuta          nomen nudum, based on fish bones & bone fragments
    E. mirabilis                                       Stephanian
    E. novomexicanus                    2.4 m?         L.Permian
    E. pogonias        17 cm?           3.25 m         Leonardian
    E. raymondi                                        U.Pennsylvanian
    E. sp.                                             Wolfcampian
Edestosaurus           see Clidastes
Edgarosaurus                                           L.Cretaceous
    E. muddi           47.5 cm          3.5 m          Albian
Egernia                                                L.Oligocene-Recent
    E. sp.                                             U.Miocene
Eichstaettisaurus      1.9 cm           19 cm          U.Jurassic
    E. digitalellus    see Ardeosaurus digitalellus U.Jurassic
    E. schroederi      1.9 cm           19 cm          U.Jurassic
Eichstattosaurus       see Ardeosaurus, probably Eichtaettisaurus
Eidolosaurus                                           L.Cretaceous
Eifelosaurus                                           L.Triassic
    E. triadicus                                       L.Triassic
Eilenodon                                              U.Jurassic
    E. robustus                                        U.Jurassic
Eilenosaurus                                           U.Jurassic
Ekbainacanthus                                         M.Triassic
Ekshmer                                                U.Cretaceous
    E. bissektensis                                    Albian-Coniacian
Elachistosuchus                                        U.Triassic
    E. huenei                                          U.Triassic
Elaphrosuchus          see Chasmatosaurus
    E. rubidgei        18 cm?                          L.Triassic
Elasmosaurus           41 cm            14.5 m         M-U.Cretaceous
    E. amalitskii      indeterminate material          Turonian
    E. antiquus        indeterminate material          Hauterivian
    E. ischiadicus     see Alzadasaurus kansasensis
    E. kurskensis      indeterminate material          Cenomanian
    E. marshi          see Thalassonomosaurus marshi
    E. morgani         see Libonectes morgani
    E. nobilis
    E. orientalis                                         Cretaceous
    E. orskensis       indeterminate material             Senonian
    E. platyurus                        14.2 m            Campanian
    E. sachalinensis   indeterminate material             Senonian
    E. serdobensis                                        Campanian
    E. serpentinus     see   Hydralmosaurus serpentinus
    E. snowii          see   Styxosaurus snowii
    E. sp.                                                Cretaceous
    E. sp.                                                        Campanian
    E. sternbergi                                   11 m?
Elcabrosaurus                   see   Sphenacodon                 U.Permian
    E. baldwini                 see   Sphenacodon    ferox        U.Permian
Elgaria                                                           L.Pliocene-Recent
    E. kingii                   living Alligator Lizard           L.Blancan-Recent
Elginia                                          1.5 m            U.Permian
    E. gordoni                                                    U.Permian
    E. mirabilis                                                  U.Permian
Elliotsmithia                                                     U.Permian
    E. longiceps                                                  U.Permian
Elliptonodon                                                      U.Cretaceous
Elmosaurus                      see   Nothosaurus                 M.Triassic
    E. lelmensis                see   Nothosaurus                 Ladinian
Embaphias                                                         U.Cretaceous
Embolophorus                    see   Dimetrodon
    E. dollovianus              see   Dimetrodon    dollovianus
    E. fritillus                                                  L.Permian
Embrithosaurus                  see Bradysaurus?                  M.Permian
    E. alexandri                53 cm?
    E. angustus                 see Bradysaurus angustus?
    E. schwarzi                 38 cm?                            Capitanian
    E. strubeni                 see Bradysaurus strubeni?
Emeroleter                                                        U.Permian
    E. levis                                                      U.Permian
Empedocles                      see   Amphibia Index
Endennasaurus                                                     U.Triassic
    E. acutirostris                                               Norian
Energosuchus                                                      M.Triassic
    E. garjainovi(garhainovi)                                     Ladinian
Enigmatosaurus                  a frog, see Amphibia Index        U.Eocene
Ennatosaurus                                     46 cm            U.Permian
    E. tecton                                    46 cm            Tatarian
Eocaptorhinus                   5 cm             60 cm            L.Permian
    E. laticeps                                                   L.Permian
    E. sp.
Eodiploglossus                                                    L.Eocene
    E. borealis                                                   Wasatchian
Eoglyptosaurus                                                    L.Eocene
    cf. E. donohoei                                               Wasatchian
    E. donohoei                 10 cm?                            Wasatchian
Eolacerta                                                         M.Eocene
    cf. E. sp.                  1.3 cm                            M.Eocene
    E. cf. Robusta
    E. robusta                  6.3 cm              60 cm?        Lutetian
Eoraetia                                                          U.Triassic
    E. siegerti                                                   Rhaetian
Eorasaurus                                                        U.Permian
    E. olsoni                                                     U.Permian
Eosaniwa                                                          M.Eocene
    E. koehni                   15 cm?                            Lutetian
Eosuchus                see Crocodylia Index
    E. colletti         see Noteosuchus colletti          U.Permian
Eothyris                6.4 cm          38 cm             L.Permian
    E. parkeyi          6 cm                              Wolfcampian
Eotomistoma                                               M-U.Cretaceous
    E. multidentata                                       Turonian
Eoxanta                                                   U.Cretaceous
    E. lacertifrons                                       U.Cretaceous
Epicampodon                                               Triassic
Epipolysemia            see   Costsasaurus
    E. rusconi          see   Costasaurus rusconi
Episcoposaurus                            3.7 m           Triassic
    E. haplocerus       see   Desmatosuchus haplocerus
    E. horridus         see   Typothorax coccinarum       Triassic
Erdenetesaurus          see   Erdenetosaurus              U.Cretaceous
    E. robinsonae       see   Erdenetosaurus robinsonae   U.Cretaceous
Erdeneteosaurus                                           U.Cretaceous
    E. robinsonae       5.5 cm?                           Campanian
Eremias                                                   M.Miocene
    E. sp.                                                M.Miocene
Eretmosaurus                             5.23 m           L.Jurassic
    E. jakowlewi        indeterminate material            M.Jurassic
    E. rugosus                           5.23 m           Sinemurian
    E. rzasnickii       indeterminate material            M.Jurassic
Erichosaurus                                              L.Miocene
    E. bombimaxilla     nomen dubium                      Colhuehuapian
    E. debilis          nomen dubium                      Colhuehuapian
    E. diminutus        nomen dubium                      Colhuehuapian
Eridanosaurus
Erpetosuchus                            2.15 m        U.Triassic
    E. granti           7 cm    10 cm? 50 cm?         Carnian
    E. kansensis        see Eobaphetes kansensis, in Amphibia Index
    E. sp.                                            Norian
Erythrosuchus           1 m             4.9 m?        L-U.Triassic
    E. africanus        1 m             4.6 m         Scythian
    E. magnus           see Uralosaurus magnus        Anisian
    E. primus           see Garjainia prima
    E. triplicostata    see Garjainia triplicostata
Esteriophagus           see Estheriophagus
Estescincosaurus                                      U.Cretaceous
    E. cooki                                          Campanian
Estesia                                 2.5 m         L.Cretaceous
    E. mongoliensis     16.5 cm         122 cm        Santonian-Campanian
Estheriophagus                                        U.Permian
    E. chatangensis                                   U.Permian
Eucritta                                              M.Mississippian
    E. melanolimnetes                                 M.Mississippian
Eudibamus                                             L-U.Permian
    E. cursoris                                       L-U.Permian
Eumatthevia             see Mycterosaurus
    E. bolli            see Mycterosaurus longiceps   L.Permian
Eumeces                                                          Oligocene-Recent
    E. algeriensis               2.3 cm                          U.Pliocene-U.Pleistocene
    E. anthracinus               material from the Pleistocene of Pennsylvania(US) is a frog
    E. antiquus                                                  Arikareean
    E. cadurcensis                                               Miocene
    E. carri                                                     U.Blancan-L.Irvingtonian
    E. cf. Fasciatus                                             L-U.Pleistocene
    E. cf. Inexpectatus                                          U.Irvingtonian
    E. fasciatus                 living Five-lined Skink         Rancholabrean-Recent
    E. gilberti                  living Gilbert Skink            Rancholabrean-Recent
    E. hixonorum                                                 L.Pliocene
    E. inexpectatus              living Five-lined Skink         Irvingtonian-Recent
    E. longirostris                                              Pleistocene
    E. minimus                                                   U.Miocene
    E. miobsoletus                                               U.Miocene
    E. multivirgatus             living Skink                    Holocene-Recent
    E. obsoletus                 living Great Plains Skink       U.Blancan-Recent
    E. septentrionalis           living Prairie Skink            Irvingtonian-Recent
    E. skiltonianus              living Western Skink            Rancholabrean-Recent
    E. sp.                                                       L-U.Miocene
    E. sp.                                                       Oligocene
    E. sp.                                                       Blancan-Irvingtonian
    E. sp.                                                       Barstovian
    E. sp.                                                       M.Oligocene-U.Pleistocene
    E. striatulus                                                M-U.Blancan
    E. tetragrammus                                              Rancholabrean-Recent
Eumecoides                       see Phrynosoma                  U.Pliocene
    E. hibbardi                  see Phrynosoma cornutum         U.Pliocene
    E. mylocoelus                see Phrynosoma cornutum         U.Pliocene
Eumetabolodon                    10 cm?                          L.Triassic
    E. bathycephalus                                             L.Triassic
    E. dongshengensis                                            L.Triassic
Eunatosaurus                     see Ennatosaurus
    E. tecton                    see Ennatosaurus tecton
Eunotosaurus                                      15 cm?         M.Permian
    E. africanus                                                 L.Permian
Euparkeria                       15 cm            1.5 m?         L.Triassic
    E. capensis                                   1 m            Scythian
    E. sp.                                                       L.Triassic
Eupodosaurus                     see Lariosaurus
    E. longobardicus             see Lariosaurus balsami
Euposaurus                                        9 cm?          U.Jurassic
    E. cirinensis(cerinensis)                     9 cm?          Kimmeridgian
    E. lorteti                                    5 cm?          Kimmeridgian
    E. thiollierei(thiollieri)                    6.5 cm         Kimmeridgian
Eurheloderma                                                     U.Eocene-L.Oligocene
    E. gallicum                  5 cm?                           U.Eocene-L.Oligocene
Eurhinosaurus                                     8 m?           L.Jurassic
    E. huenei                                     7 m?           Toarcian
    E. longirostris              83 cm            4.5 m?         Toarcian
Eurycleidus                      25 cm            5 m            L.Jurassic
    E. arcuatus                                     4.3 m             Hettangian
    E. megacephalus                                 5 m               Hettangian
Eurydorus                        see   Rutiodon
    E. serridens                 see   Rutiodon   serridens
Euryodus                                                              U.Triassic
Eurypterygius                    see     Ichthyosaurus
Eurysaurus                                                            L.Jurassic
    E. latifrons                 see   Cymatosaurus latifrons
    E. latissimus                see   Germanosaurus latissimus
    E. raincourti
    E. schafferi                 see   Germanosaurus     schafferi
Euscolosuchus                                                         U.Triassic
    E. olseni                                                         Carnian
Excalibosaurus                                                        L.Jurassic
    E. costini                   80 cm                                Sinemurian
Exilisuchus                                                           U.Permian-L.Triassic
    E. tubercularis                                                   Olenekian
Exostinus                                                             U.Cretaceous-Oligocene
    cf. E. lancensis                                                  Torrejonian
    E. cf. Sp.                                                        Orellan
    E. lancensis                                                      Maastrichtian-Torrejonian
    E. rugosus                   see Restes     rugosus               Tiffanian
    E. serratus                  2 cm?              15 cm?            Orellan
    E. silberlingi                                                    Torrejonian
    E. sp.                                                            Campanian-Maastrichtian
Fasolasuchus                                                          U.Triassic
    F. tenax                                                          Norian-Rhaetian
Fenhosuchus                                                           L.Triassic
    F. cristatus                                                      Olenekian
Flaviagama                                                            U.Cretaceous
    F. dzerzhinskii                                                   U.Cretaceous
Francosuchus                     see   Parasuchus
    F. angustifrons              see   Paleorhinus angustifrons
    F. broilii                   see   Paleorhinus broilii
    F. latus                     see   Paleorhinus latus
    F. neukami                   see   Paleorhinus neukami
    F. trauthi                   see   Paleorhinus trauthi
Frankosuchus                     see   Parasuchus
Fremouwsaurus                    see   Palacrodon
    F. geludens                  see   Palacrodon browni
Fresnosaurus                                      10.8 m              U.Cretaceous
    F. drescheri                                  10.8 m              Maastrichtian
Fritschia                        see   Hylonomus
Fugusuchus                                                            L.Triassic
    F. hejipensis(lejiapensis)   50 cm?             2.5 m?            Scythian
Fukangolepis                                                          M-U.Triassic
    F. barbaros                                                       Anisian?
Fukusuchus                                                            L.Triassic?
Fulengia                                                              L.Jurassic
    F. youngi                    3.8 cm?                      80 g?   Hettangian
Galephyrus                       see Galesphyrus
Galesphyrus                                             U.Permian
    G. capensis                                         U.Permian
Gallotia                 see     Lacerta
    G. goliah                                           Holocene
Gambelia                 see     Crotaphytus
    G. corona                                           Blancan-Irvingtonian
Gamosaurus                                              L.Triassic
    G. lozovskii                                        Olenekian
Gaptorhinus              probably Captorhinus
    G. aguti             probably Captorhinus aguti
Garjainia                50 cm   56 cm   2.8 m          L.Triassic
    G. prima             41 cm                          Olenekian
    G. sp.                                              Olenekian
    G. triplicostata     50 cm      56 cm      2.8 m    Olenekian
Gecatogomphius                                          U.Permian
    G. kavejevi                                         Kazanian
Gecko                    see     Gekko
    G. gigas             see     Phelsuma    gigas
    G. newtoni           see     Phelsuma    gigas
    G. verticullatus
Geckolepis                                              U.Pleistocene-Recent
    G. sp.                                              Rancholabrean
Geiseltaliellus                                         M.Eocene
    G. cf. Longicaudus                                  Lutetian
    G. cf. Louisi        see Geiseltaliellus cf. Longicaudus
    G. longicaudus       6 cm             20 cm         Lutetian
    G. louisi            see Geiseltaliellus cf. Longicaudus
Gekko                                                   Recent
    G. minutus           nomen dubium                   Holocene
Geocatogomphius          see Gecatogomphius
Georgia                  preoccupied, see Georgiasaurus
    G. penzensis         see Georgiasaurus penzensis
Georgiasaurus            71 cm            4.9 m         U.Cretaceous
    G. penzensis                          4.9 m         Santonian
Geosaurus                see Crocodylia Index
    G. cynodus           indeterminate material
Gephyrosaurus            3.4 cm                         L.Jurassic
    G. bridensis         3 cm                           Sinemurian
    G. sp.
Gerandogekko                                            L-U.Miocene
    G. arambourgi                                       Aquitanian
    G. gailliardi                                       Vindobonian
Germanosaurus                                           M.Triassic
    G. graciles
    G. latissimus                                       Anisian
    G. schafferi         24.4 cm                        Anisian
Gerontoseps                                             U.Cretaceous
Gerrhonotus                                             U.Cretaceous-Recent
    cf. G. sp.                                          Campanian-M.Miocene
    G. cf. G. sp.                                       U.Cretaceous-M.Miocene
    G. kingi(kingii)     see   Elgaria      kingii      L.Blancan-Recent
    G. multicarinatus            living Alligator Lizard        Blancan-Recent
    G. mungerorum                                 25 cm?        U.Miocene-L.Pliocene
    G. sp.                                                      L.Oligocene-U.Pliocene
    G. sp.                                                      Blancan
    G. sp.                                                      Barstovian
Gerrhosaurus                                                    L.Miocene-Recent
    G. cf. Major                 3 cm?                          L.Miocene
    G. major                                                    M.Miocene
Gilmoreia                                                       M.Oligocene
    G. attenuatus                see   Rhineura   hatcheri      M.Oligocene
Gladidenagama                                                   U.Cretaceous
    G. semiplena                                                U.Cretaceous
Glaucosaurus                                                    L.Permian
    G. megalops                                                 L.Permian
Glevosaurus                      probably   Clevosaurus         U.Triassic
Globaura                                                        U.Cretaceous
    G. venusta                   1.5 cm                         U.Cretaceous
Globidens                        48 cm                          U.Cretaceous
    G. aegyptiacus               see Igdamanosaurus aegyptiacus
    G. alabamaensis                               4 m           Campanian-Maastrichtian
    G. dakotensis(dakotaensis)                    4.9 m         Campanian-Maastrichtian
    G. fraasi                    see Compressidens fraasi       Maastrichtian
    G. sp.                                                      U.Cretaceous
    G. sp.                                                      Maastrichtian
    G. type 1                                                   U.Cretaceous
    G. type 2                                                   U.Cretaceous
    G. type 4                                                   U.Cretaceous
Glyptosaurus                                      46 cm         M.Eocene
    aff. G. wahlbeckensis        see Pseudeumeces wahlbeckensis
    cf. G. hillsi                see Necrosaurus eucarinatus
    cf. G. sp.                                                  Bridgerian
    cf. G. sylvestris                                           Bridgerian
    G. anceps                    see Lestophis anceps           Wasatchian-Bridgerian
    G. brevidens                 see Glyptosaurus sylvestris
    G. cf. Hillsi                                               Bridgerian
    G. cf. Sp.                                                  Bridgerian
    G. donohoei                  see Eoglyptosaurus donohoei
    G. giganteus                 see Helodermoides tuberculatus Orellan
    G. hillsi                    see Glyptosaurus sylvestris    Bridgerian
    G. macrodon                  nomen dubium                   U.Eocene
    G. montanus                  see Helodermoides tuberculatus L.Oligocene
    G. nodosus                   see Glyptosaurus sylvestris    Wasatchian-Bridgerian
    G. obtusidens                                               Wasatchian
    G. ocellatus                 see Glyptosaurus sylvestris
    G. plicatulus                                               Tithonian
    G. princeps                  see Glyptosaurus sylvestris    Bridgerian
    G. rugosus                   see Glyptosaurus sylvestris    Bridgerian
    G. sp.                                                      Wasatchian
    G. sp.                                                      Uintan
    G. sp.                                                      Arikareean
    G. sphenodon                 see Glyptosaurus sylvestris    Bridgerian
    G. sylvestris              12.5 cm            122 cm?         Wasatchian-Bridgerian
    G. tuberculatus            4 cm                               Bridgerian-Orellan
Gobekko                                                           U.Cretaceous
    G. cretacicus(cretacius)                                      U.Cretaceous
Gobiderma                                                         U.Cretaceous
    G. pulchra                 4.7 cm                             U.Cretaceous
Gobinatus                                                         U.Cretaceous
    G. arenosus                                                   U.Cretaceous
Godavarisaurus                                                    L.Jurassic
    G. lateefi                 2 cm?                              L.Jurassic
Gomphiosauridion                                                  U.Triassic
    G. baileyae                                                   Carnian
Gomphiosaurus                                                     Triassic
Gongylomorphus                                                    Pleistocene-Recent
    G. bojeri                                                     Pleistocene-Recent
Goniosaurus
Goronyosaurus                  70 cm              7.4 m           U.Cretaceous
    G. nigeriensis             70 cm              7.4 m           Maastrichtian
Gracilisaurus                                                     U.Permian
    G. ottoi                                                      U.Permian
Gracilisuchus                                  75 cm              M.Triassic
    G. stipanicicorum          9 cm?           30 cm              Anisian
Gracilosaurus                  see Gracilisaurus
Graoullyodon                                                      U.Triassic
    G. hacheti                                                    U.Triassic
Grendelius                                        4 m             U.Jurassic
    G. mordax                                                     Kimmeridgian
Grippia                        15 cm           107 cm             L.Triassic
    G. cf. Longirostris        see Parvinatator wapitiensis
    G. longirostris                                               Spathian
Gualosuchus                                                       M.Triassic
    G. reigi                   26 cm?                             M.Triassic
Guchengosuchus                                                    L.Triassic
    G. shiguainensis           see   Vjushkovia   shiquaiensis    Olenekian
Gurvansaurus                                                      U.Cretaceous
    G. canaliculatus                                              U.Cretaceous
    G. potissimus                                                 U.Cretaceous
Guyneddosaurus                 see Tanytrachelos
Gwyneddosaurus                 see Tanytrachelos?
    G. erici                   see Tanytrachelos?                 U.Triassic
Gymnocetus                     see Cyrmocetus
Gymocetus                      see Crymocetus
Haasia                         preoccupied, see Haasiasaurus      U.Cretaceous
Haasiasaurus                                                      U.Cretaceous
Habrosaurus                    an Amphibian, see Amphibia Index
Hadrokkosaurus                                                    M.Triassic
    H. bradyi                                                     Anisian
Hainosaurus                    1.5 m              15 m            U.Cretaceous
    H. bernardi                                   15 m            Maastrichtian
    H. gaudreyi                                                   Santonian
    H. pembinensis                                                Campanian
    H. sp.                                                              Campanian
Halazaisuchus                    see     Halazhaisuchus
Halazhaisuchus                                                          L.Triassic
    H. glaoensis(qiaoensis)                                             Olenekian
    H. sp.
Halidracon                       see     Plesiosaurus
Halidragon                       see     Plesiosaurus
Haligonia                                                               U.Triassic
    H. bolodon                   2 cm?                                  U.Triassic
Halisaurus                       41 cm              4.6 cm              U.Cretaceous
    cf. H. sp.                                                          Campanian
    H. fraternus                 see   Plioplatecarpus      depressus
    H. n.sp.
    H. onchognathus                                                     Coniacian-Santonian
    H. ortliebi                  41 cm              4.6 m
    H. platyspondylus                                                   Maastrichtian
    H. sp.                                                              Santonian
    H. sp.                                                              Maastrichtian
    H. sp.                                                              Campanian
    H. sp. (cf. H. sternbergi)
    H. sternbergi                                 2.7 m          Coniacian-Santonian
Hallucicrania                    not actually a genus, but an infraorder
Hanosaurus                                        76 cm          M.Triassic
    H. hupehensis                8.9 cm?                         Anisian
Haplodontosaurus                                                 L.Paleocene
    H. excedens                  nomen dubium                    Puercan
Haptodus                                          2.2 m?         U.Pennsylvanian-L.Permian
    H. baylei                    18 cm   28 cm? 1.4 m?           L.Permian
    H. garnettensis              9 cm    14 cm? 71 cm?           U.Pennsylvanian
    H. gaudryi                   see Haptodus baylei             L.Permian
    H. grandis                   28 cm            2.2 m?         L.Permian
    H. longicaudatus             see Haptodus baylei             L.Permian
    H. macrourus                 see Haptodus baylei             L.Permian
    H. saxonicus                 see Haptodus baylei             L.Permian
Haptosphenus                                                     U.Cretaceous
    H. placodon                                                  Maastrichtian
    H. sp.                                                       Maastrichtian
    H. sp.                                                       Campanian
Harmodontosaurus                                                 M-U.Cretaceous
    H. emeryensis                                                Albian-Cenomanian
Harpagosaurus                    see Exostinus
    H. excedens                  see Haplodontosaurus excedens Puercan
    H. parvus                    see Exostinus lancensis         Maastrichtian
    H. sp.                                                       Maastrichtian
    H. silberlingii              see Proxestops silberlingi
Harrisonsaurus                                                   L.Miocene
    H. fossilis                  1 cm?                           Arikareean
Hatteria                         see Sphenodon
    H. punctatus                 see Sphenodon punctatus
Hauboldisaurus                   unclear if this is even considered a valid taxon
    H. eopermicus
Hauffiosaurus                                                       L.Jurassic
    H. zanoni                   43 cm           2.5 m               Toarcian
Hecatocomphius                  probably Hecatogomphius
Hecatogomphius                  see Gecatogomphius                  M.Permian
Heleophilus                                                         U.Permian
    H. acutus                                                       U.Permian
Heleosaurus                                         50 cm           U.Permian
    H. scholtzi                                                     U.Permian
    H. sp.
Heleosuchus                                                         U.Permian
    H. griesbachi                                                   U.Permian
Heliosaurus                     see   Heleosaurus
Helodectes                      see   Amphibia Index
Heloderma                                         76 cm             Oligocene-Miocene
    H. gallicum                                                     Headonian
    H. horridum                 living Beaded Lizard
    H. matthewi                 see Lowesaurus matthewi             Orellan
    H. sp.                                                          L-M.Miocene
    H. suspectum                living Gila Monster                 Rancholabrean-Recent
    H. texana                   2.5 cm                              Arikareean
Helodermoides                                    46 cm              Eocene-M.Oligocene
    cf. H. tuberculatus                                             Chadronian-Orellan
    H. mongoliensis             see   Placosaurus    mongoliensis   Eocene
    H. sp.                                                          Chadronian
    H. sp.                                                          U.Eocene
    H. tuberculatus             10 cm?                              Chadronian
Helveticosaurus                                     2 m             M.Triassic
    H. zollingeri(zollinseri)                                       Anisian
Hemidactylus                                                        Recent
    H. capensis                 see   Lygodactylus    capensis      Holocene
    H. cf. Frenatus                                                 Holocene
    H. viscatus                                                     Holocene?
Hemilopas                       see   Tholodus
    H. mentzeli                 see   Tholodus
Hemisphaeriodon                 see   Tiliqua
Henodus                                             2.15 m?         U.Triassic
    H. chelyops                                     1.2 m           Carnian
Heptasuchus                                                         U.Triassic
    H. clarki                                                       U.Triassic
Herpetosuchus                   see   Erpetosuchus
    H. granti                   see   Erpetosuchus    granti
Hescheleria                     see   Clarazia
    H. rubeli(ruebeli)                                              M.Triassic
Hesperosuchus                   see   Crocodylia Index
Heterodontosuchus               see   Nicrosaurus                   U.Triassic
    H. ganei                    see   Nicrosaurus ganei             U.Triassic
Hexatarostinus                                                      L.Jurassic
Himalayasaurus                                    15.4 m?           U.Triassic
    H. tibetensis               see   Tibetosaurus tingjiensis      Norian
Himalayosaurus                  see   Himalayasaurus
Hoburogekko                                                         L.Cretaceous
    H. sukhanovi(suchanovi)                                         L.Cretaceous
Hodzhakulia                                                         L-M.Cretaceous
    H. magma                                                        Albian-Coniacian
    H. sp.                                                          Albian-Aptian
Holbrokia                     probably   Holbrookia
    H. maculata               probably   Holbrookia         Irvingtonian-Recent
                                                       maculata
Holbrookia                                                  M.Miocene-Recent
    H. antiqua                9 mm?                         M.Miocene
    H. maculata               living Earless Lizard         Irvingtonian-Recent
    H. sp.                                                  Rancholabrean
    H. sp.                                                  Rancholabrean
    H. texana                 1 cm?                         Rancholabrean-Recent
Holcodus                                                    U.Cretaceous
    H. acutidens              see Hyposaurus rogersii, in Crocodylia Index
    H. coryphaeus             see Platecarpus coryphaeus
    H. ictericus              see Platecarpus ictericus
Holmanisaurus                                               U.Eocene
    H. oligocenicus                                         Chadronian
Holosaurus                    see Platecarpus
    H. abruptus               see Platecarpus coryphaeus    U.Cretaceous
Homaeosaurus                  see Homoeosaurus
    H. pulchellus             see Kallimodon pulchellus
Homeosaurus                   3.5 cm           20 cm        U.Jurassic
    H. aff. Solnhofensis
    H. brevipes               see  Ardeosaurus brevipes
    H. macrodactylus          see  Bavarisaurus macrodactylus
    H. maximiliani                             20 cm          U.Jurassic
    H. pulchellus                              23 cm          Tithonian
    H. sp.                                                    Tithonian
Homoeosaurus                  3.5 cm           75 cm?         U.Jurassic
    H. aff. Solnhofensis
    H. maximiliani                             20 cm                U.Jurassic
    H. parvipes
    H. pulchellus                              23 cm                Tithonian
    H. solnhofensis                                                 U.Jurassic
    H. sp.                                                          Tithonian
Homoesaurus                   see   Homeosaurus
    H. macrodactylus          see   Bavarisaurus    macrodactylus
Honania                                                             U.Permian
    H. complicidentata                                              U.Permian
Hoplitasuchus                 see   Hoplitosuchus?                  U.Triassic
Hoplitosaurus
    H. sp.
Hoplitosuchus                                                       U.Triassic
    H. raui
Hovasaurus                                     1 m?                 U.Permian
    H. boulei                                  50 cm                U.Permian
Howesia                                                             L.Triassic
    H. browni                                                       L.Triassic
Huanghesaurus                 see   Shihtienfenia                   U.Permian
    H. liulinensis            see   Shihtienfenia    permica        U.Permian
Hudsonelpidia                13 cm              76 cm      U.Triassic
    H. brevirostris          13 cm              76 cm      Norian
Huehuecuetzpalli                                           L.Cretaceous
    H. mixtecus                                            Albian
Hupehsuchus                  see     Nanchangasaurus
    H. nanchangensis                                       M.Triassic
Hwanghocynodon                                             U.Permian
    H. multienspidus                                       U.Permian
Hydralmosaurus               38 cm              11.4 cm    U.Cretaceous
    H. serpentinus                              11.4 cm    Santonian-Campanian
Hydrosaurus                  Pontosaurus
    H. lensinensis           5.8 cm          126 cm        L.Cretaceous
Hydrothecrosaurus            see Hydrotherosaurus
Hydrotherosaurus             33 cm           12.9 m        U.Cretaceous
    H. alexandrae                            12.9 m        Maastrichtian
    H. riggsi                see Alzadasaurus riggsi
Hyloplesion                  see Amphibia Index
Hylonomus                    3.5 cm 3.5 cm 30 cm?          L.Pennsylvanian
    H. fritschia(fritschi)   see Saxonerpeton geinitzi & Batrophetes fritschia (in Amph
    H. geinitzi              see Saxonerpeton geinitzi, in Amphibia Index
    H. lyelli                3 cm            25 cm         Westphalian
Hyorhynchus                                                U.Permian
Hyperodapedon                19 cm           2 m?          U.Triassic
    H. gordoni                                             Carnian
    H. huenei                14.6 cm                       Ladinian
    H. huxleyi               see Parasuchus hislopi?       Carnian
    H. mariensis                                           Carnian
    H. sanjuanensis                                        Carnian
Hyperodepedon                see Hyperodapedon
Hyphalosaurus                                              L.Cretaceous
    H. lingyuanensis                         64 cm?        Barremian
    H. sp.                                                 L.Cretaceous
Hypopnous                    see Captorhinus
    H. squaliceps            see Romeria sp.               Leonardian
Hyporhina                                                  M.Oligocene
    H. antiqua               1 cm                          Orellan-Whitneyan
    H. galbreathi            see Hyporhina antiqua
    H. tertia                1.2 cm?                       Chadronian
Hypselorhachis                                             M.Triassic
    H. mirabilis             nomen nudum                   Anisian
Hypsiglena                                                 Pliocene-Recent
    H. sp.                                                 Blancan-Irvingtonian
Hypsognathus                 10 cm           33 cm         U.Triassic
    H. fenneri                                             Norian
    H. sp.                                                 Carnian
Hypsorhina                   see Hyporhina
    H. antigua               see Hyporhina antiqua
    H. antiqua               see Hyporhina antiqua
Hypuronector                                               U.Triassic
    H. limnaios                                            Carnian
Ianthasaurus                                 60 cm?        U.Pennsylvanian
    I. Hardestii                           60 cm?                 U.Pennsylvanian
Ianthosaurus             see   Ianthasaurus
    I. hardestii         see   Ianthasaurus haardestii
Iberovaranus                                                   M.Miocene
    I. Catalaunicus                                            Burdigalian
Icarosaurus                                   30 cm     800 g? U.Triassic
    I. Siefkeri          2.5 cm                                Carnian
    I. Sp.                                                     Carnian
Ichthyosaurus            52 cm                2.5 m            L-U.Jurassic
    I. Acutirostris                                            Pliensbachian
    I. Arietis                                                 Jurassic
    I. Atavus            see     Mixosaurus   atavus           M.Triassic
    I. Australis                                               L.Cretaceous
    I. Bambergensis                                            L.Jurassic
    I. Bodenbenderi
    I. Breviceps         24 cm                1.5 m               Sinemurian
    I. Burgundiae
    I. Californicus                                    U.Jurassic
    I. Campylodon        see Myopterygius kiprijanoffi
    I. Communis          52 cm           2.5 m         Sinemurian
    I. Coniformis
    I. Conybeari                              1 m                 Sinemurian
    I. Cornalianus       see   Mixosaurus     cornalianus
    I. Crassimanus
    I. Dorsetensis                            1.8 m               Jurassic
    I. Enthekiodon                                                Kimmeridgian
    I. Extremus          see     Brachypterygius      extremus
    I. Franciscanus                                               U.Jurassic
    I. Hercynicus                                                 Aptian?
    I. Immanis
    I. Intermedius                        1.8 m        Hettangian
    I. Janiceps          see Macgowania janiceps       Norian
    I. Kurskensis        indeterminate material        L.Cretaceous
    I. Leptospondylus    see Aegirosaurus leptospondylus
    I. Lonchiodon                                      L.Jurassic
    I. Longifrons
    I. Longirostris                                               L.Jurassic
    I. Marathonensis                                              L.Cretaceous
    I. Megacephalus                                               Jurassic
    I. Missouriensis     see Mosasaurus       missouriensis
    I. Nasimovii         nomen dubium                             Tithonian
    I. Numismalis
    I. Platyodon         see   Temnodontosaurus       platyodon
    I. Quadriscissus                                              Pleinsbachian
    I. Sp.                                    4 m                 L.Jurassic
    I. Sp.                                                        L.Jurassic
    I. Steleodon         see   Platypterygius       steleodon?
    I. Strombecki                                                 Cretaceous
    I. Tenuirostris                                               Rhaetian-Sinemurian
    I. Thyreospondylus                                            Kimmeridgian
    I. Torrei            a Plesiosaur                             Oxfordian
     I. Trigonodon
     I. Trigonus                see   Macropterygius    trigonus
     I. Triscissus                                                 Jurassic
     I. Volgensis               see   Otschevia?                   Tithonian
     I. Zetlandicus
Igdamanosaurus                                     3.7 m           U.Cretaceous
     I. Aegyptiacus                                3.7 m           Campanian-Maastrichtian
Igua                                                               U.Cretaceous
     I. Minuta                                                     Albian
Iguana                                                             U.Pleistocene-Recent
     I. Delicatissima           living Iguana                      Holocene-Recent
     I. Europaea                see Placosaurus      europaeus
     I. Europaeana              see Placosaurus      europaeus
     I. Europoeana              see Placosaurus      europaeus
     I. Haueri                  nomen dubium                       Tertiary
     I. Iguana                                                     Blancan-Recent
     I. I. Reverti              see   Iguana   delicatissima
     I. Sp.                                                        U.Pleistocene
     I. Sp.                                                        Holocene
     I. Sp.                                                        Holocene
     I. Sp.                                                        Holocene
Iguanavus                                                          U.Cretaceous-M.Eocene
     I. Exilis                                                     Bridgerian
     I. Teres                   see  Chamops segnis                Maastrichtian
Iguanosauriscus                 see  Eolacerta
     I. Haupti                  see  Eolacerta robusta         Lutetian
     I. Paleocenicus            see  Plesiolacerta paleocenica
Iguanosaurus                    see  Eolacerta
     aff. I. Paleocenicus       see  Plesiolacerta paleocenica
     I. haupti                  see  Eolacerta robusta         Lutetian
Ikechosaurus                                                   L-M.Cretaceous
     I. Magnus                  25 cm?           3 m?          Albian
     I. Sunailinae                                             L.Cretaceous
Ilerdaesaurus                                                  U.Jurassic-L.Cretaceous
     I. Crusafonti                                             U.Jurassic-L.Cretaceous
Impensodens                     see Lepidophyma
     I. Arizeloglyphus          see Lepidophyma arizeloglyphus
Insulophodon                                                   L.Triassic
     I. Morachovskayae                                         Olenekian
Introrsisaurus                  see Dorsetisaurus
     I. Pollicidens             see Dorsetisaurus purbeckensis
Irenosaurus                                      1.5 m?        M.Cretaceous
     I. Egloni                                                 Aptian
Isalarhynchus
     I. Genovetae(genovoetae)                                      M.Triassic
Isalorhynchus                   probably   Isalarhynchus           M-U.Triassic
     I. Genovefae(genovetae)                                       U.Triassic
Ischyrodon                      see   Liopleurodon
     I. Meriani
Ischyrosaurus                   see   Ischyrotherium
Ischyrotherium                                                     U.Triassic
    I. Antiquum                                                U.Triassic
Iserosaurus                                                    Cretaceous
    I. Litoralis                                               Cretaceous
Isfjordosaurus                                                 L.Triassic
    I. Minor                                                   Spathian
Isodontosaurus                                                 U.Cretaceous
    I. Gracilis                   2.5 cm                       U.Cretaceous
Jaikosuchus                                                    L.Triassic
    J. magnus                                                  Olenekian
Jepsibaena                        1.8 cm?                      L.Eocene
    J. minor                                                   Wasatchian
Jesairosaurus                     2.5 cm?          20 cm       L-M.Triassic
    J. lehmani                    2.5 cm?          20 cm       L-M.Triassic
Jushatyria                                                     M.Triassic
    J. vjushkovi                                               Ladinian
Kadaliosaurus                                                  L.Permian
    K. priscus                                                 L.Permian
Kadimakara                        3.3 cm           46 cm?      L-M.Triassic
    K. australiensis              3.3 cm           36 cm       L-M.Triassic
Kahneria                                                       M.Permian
    K. seltina                                                 U.Permian
Kaiwhekea                                                      U.Cretaceous
    K. katiki                     62 cm            6.5 m       Cenomanian-Maastrichtian
Kalisuchus                        25 cm?           1 m         L.Triassic
    K. rewanensis                 25 cm?           1 m         L.Triassic
Kallimodon                        3.3 cm                       U.Jurassic
    K. cerinensis
    K. pulchellus                 3.3 cm           20 cm?      Kimmeridgian-Berriasian
    K. sp.
Kapes                                                          L-M.Triassic
    K. amaneus                                                 Olenekian
    K. bentoni                                                 Anisian
    K. majmesculae                                             Olenekian
    K. serotinus                                               Anisian
Keichousaurus                                      50 cm       M.Triassic
    K. hui                        18 cm?                       Anisian-Carnian
    K. lusiensis
    K. sp.                                                     M.Triassic
    K. yunnanensis(yuananensis)                    50 cm       Anisian
Kenyasaurus                                                    L.Triassic
    K. mariakaniensis                                          L.Triassic
Khudiakovia                                                    M.Jurassic
    K. calloviensis               see   Ophthalmosaurus sp.?   Callovian
Khurendukhosaurus                                              L.Cretaceous
    K. bajkalensis                                 <1 m        Neocomian
    K. orlovi                                      1 m?        Aptian
Kimmerosaurus                     43 cm            7 m         U.Jurassic
    K. langhami                                    6.2 m+      U.Jurassic
Kinelia                                                        U.Permian
    K. broomi                                                  U.Permian
Kladeisteriodon                   see   Teratosaurus
Koalemmasaurus                  see   Bradysaurus
    K. acutirostris             see   Bradysaurus    acutirostris   M.Permian
Koalemasaurus                   see   Bradysaurus
Koiloskiosaurus                                                     L.Triassic
    K. coburgensis                                                  L.Triassic
Kolposaurus                     Plotosaurus                         U.Cretaceous
    K. bennisoni                see Plotosaurus bennisoni
    K. dichthadius              nomen dubium, see Nothosaurus       marchicus
    K. tuckeri                                                      Maastrichtian
Konkasaurus                                                         U.Cretaceous
    K. mahalana                                                     Maastrichtian
Kronosaurus                     3.7 m?              12.9 m?         L.Cretaceous
    K. boyacensis               2.4 m               8.9 m           Aptian-Albian
    K. queenslandicus           2.7 m               10.8 m          Aptian-Albian
Kudnu                                               30 cm           L-M.Triassic
    K. mackinleyi(mackinlayi)                       20 cm           L.Triassic
Kuehneosaurus                                       66 cm           U.Triassic
    K. latus                    3.7 cm                              Rhaetian
Kuehneosuchus                                                       U.Triassic
    K. latissimus                                   45 cm?          U.Triassic
Kupferzell
    K. raui
Kwangisaurus                    see   Kwangsisaurus
Kwangsisaurus                                                       L.Triassic
    K. lusiensis                nomen dubium                        Ladinian
    K. orientalis                                                   Anisian-Ladinian
Labidosaurikos                                                      L.Permian
    L. barkeri                                                      L.Permian
    L.meachami                  40 cm?                              L.Permian
Labidosaurus                                        70 cm           L.Permian
    L. broili
    L. hamatus                  10 cm?              70 cm           Wolfcampian-Leonardian
    L. oklahomensis
    L. sp.                                                          Wolfcampian-Leonardian
    L. stovalli
Lacerta                                             1.25 m    L.Eocene-Recent
    L. aff. Lepida                                            U.Irvingtonian
    L. agilis                   living Sand Lizard            Oldenburgian-Recent
    L. ambigua                  nomen dubium                  U.Miocene
    L. antiqua                  nomen dubium                  U.Oligocene
    L. bifidentata              nomen dubium                  U.Miocene
    L. castellanensis                                         Pleistocene
    L. cf. Erhardii                                           Oldenburgian
    L. cf. Sicula                                             U.Blancan-Rancholabrean
    L. cf. Viridis                                            U.Blancan-L.Irvingtonian
    L. crassidens               nomen dubium                  U.Blancan
    L. eocaena(eocena)          belongs to a fish             L.Eocene
    L. filholi                                                U.Eocene-L.Miocene
    L. fossilis                 nomen dubium                  Oldenburgian
    L. gangeticus               see Gavialis gangeticus, in Crocodylia Index
    L. giganteus(gigantea)      see Geosaurus giganteus, in Crocodylia Index
    L. goliath                                    1 m            Holocene
    L. lamandini                 see Pseudolacerta lamandini
    L. lepida                    living Jewelled Lizard          U.Pleistocene-Recent
    L. maxima                                     1.25 m         Pleistocene-Holocene
    L. mucronata                 see Pseudolacerta mucronata
    L. muralis                   living Wall Lizard
    L. neptunia                  see Leptosaurus neptunia        U.Jurassic
    L. philippiana               nomen dubium                    U.Miocene
    L. poncenatensis                                             Agenian
    L. ponsortiana               nomen dubium                    U.Miocene
    L. pterigoides               see Lacerta maxima
    L. pulla                                                     M.Oligocene
    L. rottensis                                                 U.Oligocene
    L. ruscinensis                                               Pliocene
    L. sansaniensis              nomen dubium                    U.Miocene
    L. sculimelitensis(siculimelitensis)          75 cm          Oldenburgian
    L. simonyi                                                   Holocene
    L. s.l. filholi                                              Agenian
    L. sp.                                                       M.Pleistocene
    L. sp.                                                       L.Miocene-Holocene
    L. stehlini                                                  Holocene
    L. viridis                   living Emerald Lizard           U.Pliocene-Recent
    L. vivipara                  living Common Lizard            Oldenburgian-Recent
Lacertulus                                                       U.Permian-L.Triassic
    L. bipes                                      10 cm?         U.Permian
Laemanctus                                                       Recent
    L. sp.                                                       Holocene
Lagerpeton                               20 cm h 71 cm   450 g   M.Triassic
    L. canarensis                        20 cm h 71 cm   450 g   Ladinian
Lagosuchus                       3.3 cm 15 cm h 50 cm    900 g   M.Triassic
    L. lilloensis                see Marasuchus lilloensis
    L. talampayensis             3.3 cm 15 cm h 50 cm    900 g   Ladinian
Lambrosauroides                  see Lamprosauroides
    L. goepperti                 see Lamprosauroides goepperti
Lamprosauroides                                                  M.Triassic
    L. goepperti                                                 Ladinian
Lamprosaurus                     see Lamprosauroides
    L. goepperti(gopperti)       see Lamprosauroides goepperti
Lanceosaurus                     see Chamops
    L. compressus                see Chamops segnis              Maastrichtian
    L. hatcheri                  see Chamops segnis              Maastrichtian
Langobardisaurus                                  48 cm          U.Triassic
    L. pandolfii                 9 cm?            48 cm          Norian
    L. tonelloi                  see L. pandolfi?                Norian
Lanthaniscus                                                     U.Permian
    L. efremovi                                                  Tatarian
Lanthanolania                                                    U.Permian
    L. ivakhnenkoi               2.2 cm                          Kazanian-Tatarian
Lanthanosuchus                   15 cm            76 cm          U.Permian
    L. watsoni                   15 cm            76 cm          Tatarian
Laonogekko                                                       L.Eocene
    L. lefevrei                  1.5 cm?                           Ypresian
Lathanotus                                                         Recent
Lariosaurus                                           60 cm        M.Triassic
    L. balsami                                                     Ladinian
    L. b. var. plinii            see             balsami
                                       Lariosaurus
    L. balsanti                                 1 m                M.Triassic
    L. buzzii                    8 cm?          3.7 m              Anisian-Ladinian
    L. calcagnii                                2 m?               Ladinian
    L. cf. Balsami               see Lariosaurus balsami
    L. curionii                  6 cm?
    L. lanzi                     nomen nudum
    L. lavizzarii                see Lariosaurus balsami           Ladinian
    L. lusiensis
    L. stensioei                                                   Anisian-Ladinian
    L. valceresii                                                  Anisian-Ladinian
    L. xingyiensis                                                 Ladinian
Lazarossuchus                                                      U.Oligocene
Lazarussaurus
Leiocephalikon                   see     Amphibia Index
Leiocephalus                                                       Miocene-Pleistocene
    L. apertosulcus              2 cm?           40 cm?            Rancholabrean
    L. cf. Carinatus             see Leiocephalus carinatus
    L. carinatus                 living          22 cm?            Rancholabrean-Recent
    L. cuneus                    3 cm?                             Rancholabrean
    L. etheridgei                                24 cm?            Rancholabrean
    L. herminieri                                                  Holocene
    L. jamaicensis                                    26 cm?       Rancholabrean
    L. nebraskensis                                                Barstovian
    L. partitus                                    26 cm?          Rancholabrean
    L. personatus                                  15 cm?          Rancholabrean-Holocene
    L. septentrionalis           see   Leiocephalus nebraskensis
    L. sp.                                                         Arikareean-Holocene
    L. sp. Cf. Septentrionalis   1.5 cm?                           Miocene
Leiodon                          see Liodon
    L. anceps                                                      U.Cretaceous
    L. haumuriensis              see   Tylosaurus haumuriensis
    L. laticaudus                see   Plioplatecarpus depressus
    L. mosasaurus
    L. prorigor                  see     Tylosaurus   prorigor
    L. sp.                                                         U.Cretaceous
Leiolopisma                                                        Holocene
    L. mauritiana                7 cm?                40 cm?       Holocene
    L. telfairii                                      34 cm?       Holocene
Leiosaurus                                                         Pliocene-Recent
    L. bellii                                                      Rancholabrean
    L. marelli                   nomen dubium                      Ensenadan
Lepidophyma                                                        U.Pleistocene-Recent
    L. arizeloglyphus                                              Holocene
    L. sp.                                                         Rancholabrean
Lepidosaurus
Leptochamos                                                        Paleocene
Leptochamops                                                            U.Cretaceous
    cf. L. sp.                                                          U.Cretaceous
    L. denticulatus                                                     Campanian-Maastrichtian
    L. sp.                                                              Maastrichtian
    L. sp.                                                              Campanian
Leptocheirus                 see Teretocnemus                           U.Triassic
    L. zitteli               see Teretocnemus        zitteli            Carnian
Leptocleidus                 32 cm           3       m                  L.Cretaceous
    L. capensis                              3       m                  Hauterivian
    L. clemai                                3       m                  Hauterivian-Barremian
    L. "Eric"                                2       m                  Albian
    L. superstes                             3       m                  Hauterivian-Barremian
Leptocraniopsis                                                         U.Pennsylvanian
    L. hamiltensis                                                      U.Pennsylvanian
Leptonectes                                                             U.Triassic-L.Jurassic
    L. cf. Tenuirostris      1 m?                  4 m?                 Hettangian-Sinemurian
    L. moorei                                                           Pliensbachian
    L. solei
    L. tenuirostris                                                     Rhaetian-Sinemurian
Leptopleuron                                       122 cm               M-U.Triassic
    L. lacertinum                                                       U.Triassic
Leptopterygius               147 cm           9.2 m                     L.Jurassic
    L. acutirostris          see Leptopterygius burgundiae
    L. burgundiae            147 cm           7 m                       Toarcian
    L. disinteger            see Suevoleviathan disinteger              Toarcian
    L. solei                                                            L.Jurassic
    L. tenuirostris          95 cm                 4 m                  Rhaetian-Sinemurian
Leptoropha                                                              M.Permian
    L. novojilovi            see     Rhipaeosaurus       talonophorus
Leptosaurus                  see     Homoeosaurus
    L. neptunia(neptunius)                                              U.Jurassic
Leptosuchus                  see     Rutiodon
    L. cf. Crosbiensis                                                  U.Triassic
    L. crosbiensis           see     Rutiodon   crosbiensis             U.Triassic
    L. imperfecta            see     Rutiodon   imperfecta              U.Triassic
    L. studeri               see     Rutiodon   studeri                 U.Triassic
Lestanshoria                                                            L.Triassic
    L. massiva                                                          Olenekian
Lesticodus                   see     Mosasaurus
Lestophis                                                               Eocene-L.Oligocene
    L. anceps                                                           Bridgerian
    L. crassus                                                          Bridgerian
    L. sp.                                                              Bridgerian
Lestosaurus                  see     Platecarpus
    L. medius                see     Platecarpus    coryphaeus      U.Cretaceous
Leurospondylus                                     2.3 m            U.Cretaceous
    L. ultimus                                                      Maastrichtian
Leutkesaurus                                                        M.Cretaceous
    L. no species cited                                             Cenomanian
Lewisuchus                   14 cm      27 cm      114 cm    1.3 kg M.Triassic
    L. admixtus              14 cm      27 cm      114 cm    1.3 kg Ladinian
Libognathus                                                        U.Triassic
    L. sheddi                                                      Norian
Libonectes                       46 cm              10.5 m         M.Cretaceous
    L. morgani                   46 cm              10.5 m         Turonian
Ligerosaurus                                                       M.Miocene
    L. pouiti                    1.8 cm?                           Orleanian
Likhoelesaurus                   probably   Basutodon
    L. ingens                                                      U.Triassic
Likoelesaurus                    see Likhoelesaurus
Limnophis                        preoccupied, see Lestophis
    L. crassus                   preoccupied, see Lestophis   crassus
Liodon                           122 cm          12.3 m          U.Cretaceous
    L. anceps                                                    U.Cretaceous
    L. congrops                  see   Clidastes                 U.Cretaceous
    L. curtirostris              see   Platecarpus curtirostris
    L. ictericus                 see   Platecarpus ictericus
    L. laticaudus                see   Plioplatecarpus depressus
    L. mosasauroides                               12.3 m
    L. mosasaurus
    L. paradoxus                 see  Dakosaurus paradoxus, in Crocodylia Index
    L. perlatus                  see  Tylosaurus                 U.Cretaceous
    L. primaevum                 see  Dakosaurus primaevus, in Crocodylia Index
    L. prorigor                  see  Tylosaurus prorigor
    L. rhiphalus                 see  Tylosaurus rhiphalus       Campanian
    L. sectorius(sectoius)                        9.2 m          U.Cretaceous
Liopleurodon                     4.9 m?           24.6 m?        U.Jurassic
    L. cf. Macromerus
    L. cf. Pachydeirus
    L. ferox                     1.5 m              12 m           Callovian
    L. grossouveri
    L. macromerus(macromerius)   see   Pliosaurus   macromerus?    Callovian-Tithonian
    L. nova
    L. pachydeirus                                                 Callovian
    L. philarchus                see Peloneustes philarchus?
    L. rossicus                  1 m?           5 m?               Tithonian
Lipognathus
Lisboasaurus                     2 cm?                             U.Jurassic
    L. estesi                                                      Kimmeridgian
    L. mitracostatus                                               Kimmeridgian
Litakis                                                            U.Cretaceous
    L. gilmorei                                                    Maastrichtian
    L. sp.                                                         Maastrichtian
Longisquama                                        30 cm?          L.Triassic
    L. insignis(insugnis)        2.3 cm            23 cm           Scythian
Longobardisaurus                 probably   Langobardisaurus       U.Triassic
Longosuchus                                                        U.Triassic
    L. meadei                                       2.9 m          Carnian
Lophoprosopus                    see Nicrosaurus
Lophorhinus                      see Nicrosaurus
Lophura                          preoccupied, see    Hydrosaurus
Loricotherium                    see Placosaurus                   M.Eocene
    L. waltheri            see   Placosaurus    waltheri      Lutetian
Lotosaurus                                     3 m            M.Triassic
    L. adentus(edentus)    25 cm?              3 m            Ladinian
Lowesaurus                                                    M.Oligocene-L.Miocene
    L. matthewi                                               Orellan-Arikareean
Lucasuchus                                                    U.Triassic
Luetkesaurus                                                  U.Cretaceous
Lukousaurus                                    2 m            L.Jurassic
    L. yini                                                   Hettangian
Lupeosaurus                                                   L.Permian
    L. kayi                                                   Wolfcampian
    L. sp.                                                    Leonardian-Wolfcampian
Luperosuchus                                                  M.Triassic
    L. fractus                                 60 cm?         Anisian
Lygodactylus                                                  Recent
    L. capensis                                               Holocene
Lysorophus                 see   Amphibia Index
Lystromycter                                 30 cm            L.Miocene
    L. leakeyi                                                L.Miocene
Lythrosaurus
    L. langstoni
Lythrosuchus                                                  U.Triassic
    L. langstoni
Mabuya                                                        U.Pleistocene-Recent
    M. mabouya                                 20 cm?         Rancholabrean
    M. sp.                                                    Rancholabrean
Macellodus                                                    U.Jurassic
    M. brodiei             see   Becklesius    hoffstetteri   U.Jurassic
Macgovania                 see   Macgowania
    M. janiceps
Macgowania                                                    U.Triassic
    M. janiceps                                               Norian
Machaeroprosopus           see Rutiodon
    M. adamanensis         see Rutiodon     adamanensis
    M. andersoni           see Rutiodon     andersoni
    M. gregorii            138 cm             11 m+           Norian
    M. lithodendrorum      see Rutiodon     lithodendrorum
    M. sp.                                                    U.Triassic
    M. tenuis              see   Rutiodon   tenuis
    M. validus             see   Rutiodon   validus
    M. zunii               see   Rutiodon   zunii
Machaerosaurus                                           M.Paleocene-M.Oligocene
    cf. M. torrejonensis                                 M.Paleocene
    M. cf. Torrejonensis                                 Torrejonian
    M. pawneensis          see Parophisaurus pawneensis M.Oligocene
    M. terrejonsis         probably Machaerosaurus torrejonensis
    M. torrejonenensis     see Machaerosaurus torrejonensis
    M. torrejonensis                                     Torrejonian
    M. torrejonsis         see Machaerosaurus torrejonensis
Macrocephalosaurus         12 cm                         U.Cretaceous
    M. chulsanensis        8 cm                          Campanian
    M. ferrugenosus(ferrugenous)   12 cm                             Campanian
    M. gilmorei                    8 cm                              Campanian
Macrochemus                        see Macrocnemus
    M. bassanii                    see Macrocnemus   bassanii
Macrocnemus                                         84 cm            M.Triassic
    M. anatinus                    indeterminate material            M.Triassic
    M. bassanii(basanii)                                             Ladinian
Macrodontophion                                                      Jurassic
Macroleter                                                           U.Permian
    M. poezicus                                                      Tatarian
Macromerion                                                          U.Pennsylvanian
    M. schwartzenbergii                                              Stephanian
Macromerosauro                     see   Lariosaurus
Macromerosaurus                    see   Lariosaurus                 M.Triassic
    M. plinii(plinj)               see   Lariosaurus    balsami
Macromirosaurus                    see   Lariosaurus                 M.Triassic
    M. plinii                      see   Lariosaurus    balsami
Macrophelsuma                                                        Pleistocene
    M. guentheri                   see    Phelsuma   cf. Guentheri
    M. newtoni                     see    Phelsuma   gigas
Macrophon                                                            L.Triassic
    M. komiensis                                                     Olenekian
Macroplacus                                                          U.Triassic
    M. raeticus                    18   cm?                          Rhaetian
Macroplata                         71   cm             4.9 m         L.Jurassic
    M. longirostris                71   cm             4.9 m         Hettangian-Toarcian
    M. tenuiceps                   58   cm             4.7 cm        Hettangian
Macropterygius                                                       L-U.Jurassic
    M. trigonus
Macrorhineura                                                       L.Miocene
    M. skinneri                    1.8 cm?                          Arikareean
Macrormerion                       see Macromerion                  U.Pennsylvanian
    M. schwartzenbergii            see Macromerion schwartzenbergii
Macrornerion                       probably Macrormerion
Macrosaurus                        see Mosasaurus                   U.Cretaceous
    M. polyspondylus               see Eogyrinus attheyi, in Amphibia Index
    M. prorigor                    see Tylosaurus prorigor
    M. sp.                                                          U.Cretaceous
Macroscelosaurus                   see Tanystropheus                M.Triassic
Macroscincus
    M. cocteaui
Malerisaurus                                                         U.Triassic
    M. langstoni                   12 cm               1.2 m?        Carnian
    M. robinsonae                                                    Carnian
Malutinisuchus                                                       M.Triassic
    M. gratus                                                        Ladinian
Mandasuchus                                            2.5 m         M.Triassic
    M. tanyauchen                                                    Anisian
Marasuchus                                             122 cm        M.Triassic
    M. lilloensis                                                    Ladinian
Maresaurus                         76 cm               6.2 m         M.Jurassic
    M. coccai                                 6.2 m             Bajocian
Marmoretta                2.3 cm?                               M.Jurassic
Marpagosaurus             see Exostinus
    M. parvus             see Exostinus    lancensis
Mauisaurus                                  12.3 m?             U.Cretaceous
    M. brachiolatus       see   Mauisaurus haasti
    M. gardneri                                              Albian
    M. haasti                                 9.2 m          Maastrichtian
Megacnemus                                                   M.Triassic
    M. grandis                     50 cm?                    M.Triassic
Megalancosaurus                               36 cm          U.Triassic
    M. preonensis         2.7 cm              36 cm          Norian
Megalania                 80 cm               7 m?    620 kg Pliocene-Pleistocene
    M. prisca             80 cm               4.9 m   620 kg Rancholabrean
    M. sp.                                                   Quaternary
Megalangosaurus           see   Megalancosaurus
Megalneusaurus                              10.5 m              U.Jurassic
    M. rex                                  10.5 m              Kimmeridgian-Portlandian
Megasaurus                see   Palaeosaniwa
    M. robustus           see   Palaeosaniwa canadensis     &     Paraderma    bogerti
Melanosauroides           see   Necrosaurus                     M.Eocene
    M. eucarinatus        see   Necrosaurus eucarinatus
    M. giganteus          see   Necrosaurus eucarinatus
Melanosaurus                                                    L.Eocene-L.Oligocene
    M. maximus            9.2 cm                                Wasatchian
    M. sp.                                                      Wasatchian
    M. sp.                                                      Ypresian
Melanothyris              see   Protorothyris                   L.Permian
    M. morani                                                   L.Permian
Meniscognathus                                                  U.Cretaceous
    M. altmani(altman)                                          Maastrichtian
    M. sp.                                                      Maastrichtian
Merriamia                                                       U.Triassic
    M. zitteli            see  Toretocnemus zitteli             Carnian
Mesenosaurus                               38 cm                U.Permian
    M. romeri             3 cm?            38 cm                Tatarian
Mesodapedon                                                     U.Triassic
Mesoleptos                see   Carsosaurus                     L.Cretaceous
Mesorhinosaurus
    M. fraasi
Mesorhinosuchus           see Paleorhinus                    U.Triassic
    M. fraasi             see Paleorhinus      fraasi        Scythian-Ladinian
Mesorhinus                preoccupied by a    fish, reptilian material lost in WWII reass
Mesosaurus                20 cm?              1 m            L.Permian
    M. brasiliensis       see Mesosaurus      tenuidens      Artinskian
    M. capensis           see Mesosaurus      tenuidens      L.Permian
    M. pleurogaster       see Mesosaurus      tenuidens      L.Permian
    M. tenuidens                              1 m            L.Permian
    M. tumidus(tumidum)                       76 cm          L.Permian
Mesosuchus                60 cm               30 cm          L.Triassic
    M. browni                                                L.Triassic
Metamosaurus                  see   Metarmosaurus
    M. fossatus               see   Metarmosaurus    fossatus
Metanothosaurus                                                 L.Triassic
    M. nipponicus                                               L.Triassic
Metarhinus                    see   Arribasuchus
Metarmosaurus                 see   Amphibia Index
    M. fossatus                                 2 m?            L.Permian
Meyasaurus                                                      U.Jurassic-L.Cretaceous
    M. faurai                                     26 cm?        U.Jurassic-L.Cretaceous
Meyerasaurus                                                    U.Jurassic
Microcenemus                  see   Microcnemus
    M. efremovi               see   Microcnemusefremovi
Microcleidus                                  6.15 m        L.Jurassic
    M. brachypterygius        see Plesiosaurus guilelmiimperatoris
    M. homalospondylus                        6.15 m        Toarcian
    M. macropterus                                          L.Jurassic
Microcnemus                                                 L.Triassic
    M. efremovi                                             Olenekian
    M. sp.                                                  Induan-Olenekian
Microleptosaurus                                            M.Triassic
    M. schlosseri                                           Ladinian
Micronothosaurus              see Cymatosaurus
    M. stensioeii(stensioi)   see Cymatosaurus stensioeii or Lariosaurus stensioei
Microphon                     see Amphibia Index            U.Permian-L.Triassic
    M. exiguus                1 cm?                         Tatarian
Microtheledon                                               L.Triassic
    M. parvus                                               L.Triassic
Microthelodon                 see Microtheledon             L.Triassic
Mikadocephalus                                              M.Triassic
    M. gracilirostris                                       Anisian-Ladinian
Milleretoides                 probably Millerettoides       U.Permian
Milleretops                   see Millerettops
Millerettoides                                              U.Permian
    M. platyceps                                            U.Permian
Milleretta                                    60 cm         U.Permian
    M. rubidgei                                             U.Permian
Millerettops                                                U.Permian
    M. kitchingi              2.5 cm?                       U.Permian
Millerina                     see Milleretta                U.Permian
    M. rubidgei               see Milleretta rubidgei       U.Permian
Millerinoides                                               M.Permian
    M. acutirostris                                         M.Permian
Milleropsis                                                 U.Permian
Millerosaurus                 5 cm            20 cm         U.Permian
    M. nuffieldi                                            U.Permian
    M. ornatus                                              U.Permian
    M. pricei                 3 cm?                         U.Permian
Milosaurus                                                  U.Pennsylvanian
    M. mccordi                                              U.Pennsylvanian
Mimeosaurus                                                 U.Cretaceous
    M. cf. Tugrikinensis                                    U.Cretaceous
    M. crassus                   2.5 cm                             Campanian
    M. tugrikinensis             see Mimeosaurus crassus            Campanian
Mimobecklesiosaurus              possibly Mimobecklesisaurus        U.Jurassic
Mimobecklesisaurus                                                  U.Jurassic
Mimosaurus                                                          U.Cretaceous
Minicrania                                                          L.Devonian
    M. lirouyii                                                     Lochovian
Mixosaurus                                        2   m             M.Triassic
    M. atavus                                     8   m?            M.Triassic
    M. cornalianus               27 cm            1   m             M.Triassic
    M. carnalius                                  2   m             M.Triassic
    M. kuhnschnyderi                                                M.Triassic
    M. longirostris              see   Grippia longirostris         L.Triassic
    M. maotiensis(maotaiensis)   see   Mixosaurus cornalianus       M.Triassic
    M. natans                    see   Phalarodon nordenskioeldii
    M. nordenskioeldii           see   Phalarodon nordenskioeldii
    M. nordenskjoldi             see   Phalarodon nordenskioeldii
    M. sp.                                                          L.Triassic
    M. sp.                                                          M.Triassic
Moanasaurus                      78 cm            12.3 m?           U.Cretaceous
    M. mangahouangae             78 cm            12 m?             Campanian-Maastrichtian
Mollesaurus                                                         M.Jurassic
    M. periallus                                                    Bajocian
Mongolochamops                                                      U.Cretaceous
    M. reshetovi                                                    U.Cretaceous
Monjurosaurus                                                       L.Cretaceous
Monjurosuchus                                                       U.Jurassic-L.Cretaceous
    M. orientalis                                                   Tithonian
    M. splendens                                  30 cm             U.Jurassic-L.Cretaceous
Moradisaurus                                                        U.Permian
    M. grandis                                                      U.Permian
Moradosaurus                     probably Moradisaurus              U.Permian
    M. grandis                   probably Moradisaurus grandis
Morenosaurus                                     8.6 m              U.Cretaceous
    M. stocki                                    8.6 m              Maastrichtian
Morturneria                      40 cm           6.2 m              U.Cretaceous
    M. seymourensis              see Aristonectes parvidens         Maastrichtian
Morunasius                                                          U.Cretaceous
    M. modestus                                                     U.Cretaceous
Mosaesaurus                      see Mosasaurus
Mosasaurus                       122 cm         18 m?               U.Cretaceous
    M. bavaricus
    M. beaugei                                                      Campanian
    M. camperi                                                      U.Cretaceous
    M. cf. Anceps                                                   Campanian-Maastrichtian
    M. cf. Missouriensis
    M. conodon                                   9.2 m         Maastrichtian
    M. conybeari                 1.2 m           9.6 m?        Maastrichtian
    M. copeanus                  see Plioplatecarpus depressus
    M. crassidens
    M. dekayi                                                       Maastrichtian
    M. donicus             nomen dubium                       Campanian
    M. flemingi            see Moanasaurus                    Campanian-Maastrichtian
    M. fulciatus                                              U.Cretaceous
    M. giganteus                             12.3 m           U.Cretaceous
    M. gracilis
    M. hobetsuensis                                           Maastrichtian
    M. hoffmani(hofmann)   1.6 m          12 m?               Maastrichtian
    M. h. ivoensis         see Tylosaurus ivoensis
    M. horridus            see Mosasaurus missouriensis
    M. iembeensis                                        Turonian
    M. ivoensis            see Tylosaurus ivoensis       U.Cretaceous
    M. laticauda           see Plioplatecarpus depressus
    M. lemonnieri          possibly Mosasaurus conodon
    M. mangahouangae                                     U.Cretaceous
    M. maximiliani         see Pterycollosaurusu maximiliani
    M. maximus             possibly M. hoffmani          Maastrichtian
    M. minor                                             Maastrichtian
    M. missouriensis       1 m              7.7 m        U.Cretaceous
    M. mitchilli                                         U.Cretaceous
    M. mokoroa             71 cm            5.6 m        Maastrichtian
    M. nigeriensis         see Goronyosaurus nigeriensis
    M. n.sp.
    M. oarthrus                                               U.Cretaceous
    M. poultney
    M. scanicus            see   Plioplatecarpus   scanicus
    M. sp.                                                 U.Cretaceous
    M. tenuidens           possibly a misplacement of Mesosaurus tenuidens
    M. validus                                             U.Cretaceous
Mososaurus                 see Mosasaurus
Muraenosaurus              40 cm            6.5 m          M-U.Jurassic
    M. beloclis                             2.6 m          Callovian
    M. brevior
    M. dubriviensis        possibly   Muraenosaurus   durobrivensis
    M. dubroviensis        possibly   Muraenosaurus   durobrivensis
    M. durobrivensis
    M. elasmosauroides     indeterminate material             Tithonian
    M. kamensis            indeterminate material             Tithonian
    M. leedsi(leedsii)                      6.5 m             Callovian
    M. platyclis
    M. platymerus          see   Cryptoclidus   eurymerus
    M. plicatus
    M. purbecki            indeterminate material             Tithonian
    M. reedii                                                 Jurassic
    M. sp.                                                    Oxfordian
    M. truncatus
Muroenosaurus              see   Muraenosaurus
    M. reedii              see   Muraenosaurus reedii
Mycterosaurus                                60 cm            L.Permian
    M. longiceps                                              L.Permian
    M. smithae                                                L.Permian
Myobradypterygius          see   Platypterygius               U.Jurassic
Myocephalus                                             L-M.Triassic
    M. crassidens                                       L-M.Triassic
Myognathus                                              L.Triassic
Myopterygius              see Platypterygius            Cretaceous
    M. kiprijanoffi       see Platypterygius kiprijanoffi
    M. petersoni                                        Cretaceous
Mystriosuchus                             3.7 m         U.Triassic
    M. planirostris       80 cm?                        Norian
    M. plieningeri        see Mystriosuchus westphali
    M. rutimeyeri         see Rutiodon rutimeyeri       Rhaetian
    M. sp.
    M. westphali          115 cm?                        Norian
Nanchangasaurus           see Nanchangosaurus
Nanchangosaurus                           1 m            M.Triassic
    N. suni                                              Ladinian
Nannopterygius                                           U.Jurassic
    N. enthekiodon                                       Kimmeridgian
Nanomilleretta                                           U.Permian
    N. kitchingi          1.5 cm?                        U.Permian
Nanoparia                                                U.Permian
    N. luckhoffi                                         U.Permian
    N. pricei             12 cm                          U.Permian
Naocephalus                                              M.Eocene
    N. porrectus          nomen dubium                   Bridgerian
Naosaurus                 see Edaphosaurus               L.Permian
    N. claviger           see Edaphosaurus   pogonias    Leonardian
    N. credneri           see Edaphosaurus   credneri
    N. cruciger           see Edaphosaurus   cruciger
    N. microdus           see Edaphosaurus   microdus
    N. mirabilis          see Edaphosaurus   mirabilis
    N. raymondi           see Edaphosaurus   raymondi
Naransaurus
    N. chulsanensis       see Macrocephalosaurus chulsanensis
Necrodasypus              see Placosaurus
    N. galliae            see Placosaurus galliae
Necrosaurus               7 cm?                          U.Paleocene-L.Oligocene
    N. cayluxi                                           U.Eocene-L.Oligocene
    N. eucarinatus                                       Lutetian
    N. giganteus          see Necrosaurus eucarinatus
    N. sp.                                               U.Paleocene-L.Oligocene
Necrosdasypus             probably Necrodasypus, see Placosaurus
Nectoportheus             see Mosasaurus                 U.Cretaceous
    N. validus                                           U.Cretaceous
Nectosaurus                                              U.Triassic
    N. halius                                            U.Triassic
Negevodus                 a Temnospondyl, see Amphibia Index
    N. ramonensis                                        Triassic
Neoaetosauroides                           1.5 m?        U.Triassic
    N. engaeus(engaens)   18 cm            1 m           Norian-Rhaetian
Neopliosaurus                                            U.Cretaceous
    N. no species cited   indeterminate material         Senonian
Neoprocolophon                                                 L.Triassic
    N. asiaticus             6 cm?                             Olenekian
Neosaurus                                                      L.Permian
    N. cynodus                                   1 m?          Autunian
Neusticosaurus                                   30 cm         M-U.Triassic
    N. cf. Pusillus
    N. edwardsi(edwardsii)   35 cm?              1.2 m         Ladinian
    N. peyeri                                    55 cm         Ladinian
    N. pusillus                                  52 cm         Ladinian-Carnian
    N. pygmaeus              see     Neusticosaurus pusillus
    N. sp.                                                 Ladinian
    N. staubi                                    58 cm     Anisian-Ladinian
    N. toeplitschi                               17 cm?    Ladinian
Nicrosaurus                                      4.9 m?    U.Triassic
    N. buceros                                             Norian
    N. dumblianus            see Palaeoctonus dumblianus   U.Triassic
    N. ganei                                               U.Triassic
    N. gregorii(gregoryi)    probably Machaeroprosopus gregorii
    N. kapffi(kaptfi)        see Mystriosuchus westphali   Norian
    N. maleriensis                                         U.Triassic
    N. meyeri                see Mystriosuchus westphali   Norian
    N. orthodon              see Palaeoctonus orthodon     U.Triassic
    N. sp.                                                 Norian
    N. superciliosus                                       U.Triassic
    N. validus                                             U.Triassic
Nicteroleter                 see Nycteroleter
Nitosaurus                                                 L.Permian
    N. jacksonorum                                         L.Permian
Nochelesaurus                see Embrithosaurus            M.Permian
    N. alexandri             see Embrithosaurus alexandri M.Permian
    N. strubeni              see Bradysaurus strubeni      M.Permian
Nordenosaurus                                              U.Miocene
    N. magnus                a crocodile                   U.Miocene
Noteosaurus                  see Mesosaurus                L.Permian
    N. africanus             see Mesosaurus tenuidens      L.Permian
Noteosuchus                                                U.Permian
    N. colletti                                            U.Permian
Nothosaurus                                  3 m           M-U.Triassic
    N. aduncidens            see Simosaurus or Nothosaurus giganteus
    N. andriani              see Nothosaurus giganteus     Ladinian
    N. angustidens
    N. angustifrons          see   Nothosaurus    giganteus
    N. baruthicus            see   Nothosaurus    giganteus
    N. bergeri               see   Nothosaurus    mirabilis
    N. blezingeri
    N. bronni                                                  Triassic
    N. cf. Friedericianus    see   Nothosaurus    marchicus
    N. cf. Marchicus         see   Nothosaurus    marchicus
    N. cf. Raabi             see   Nothosaurus    marchicus
    N. chelydrops            see   Nothosaurus    giganteus    Carnian
    N. clavatus
    N. crassus                 see Nothosaurus       marchicus
    N. cuvieri                 nomen dubium
    N. cymatosauroides                                           Ladinian
    N. edingerae               14 cm?               91 cm?       Ladinian-Carnian
    N. giganteus(giganteurs)   75 cm                4.9 m?       Anisian-Ladinian
    N. haasi                   12.3 cm              80 cm?       Anisian-Ladinian
    N. hecki
    N. jagisteus
    N. juvenilis               12.6 cm         82 cm?            Anisian-Ladinian
    N. koenigi                 see Nothosaurus juvenilis
    N. latifrons               see Cymatosaurus latifrons
    N. latifrous               see Cymatosaurus latifrons
    N. latissimus              see Germanosaurus latissimus
    N. marchicus               20 cm?          1.3 m?            Anisian
    N. mirabilis(mirobilis)    46 cm           3 m               Anisian-Ladinian
    N. mougeoti                see Simosaurus mougeoti           Anisian-Ladinian
    N. munsteri                see Nothosaurus mirabilis
    N. oldenbergi              see Nothosaurus marchicus
    N. parva                   see Nothosaurus marchicus
    N. picardi                 nomen dubium
    N. procerus                see Nothosaurus marchicus         Anisian
    N. p. var. parva           see Nothosaurus marchicus
    N. raabi                   see Nothosaurus marchicus         Anisian
    N. schimperi               nomen dubium
    N. schroederi              see Nothosaurus marchicus
    N. sp.                                     122 cm            Anisian
    N. sp.                     see Nothosaurus tchernovi         Anisian-Ladinian
    N. strunzi                 see Pistosaurus longaevus
    N. tchernovi               28 cm           1.8 m?            Anisian-Ladinian
    N. unexpectus                                                Anisian
    N. venustus                                                  Anisian
    N. winterswijkensis        12.7   cm                         Anisian
Notiosaurus                    see    Megalania                  U.Pleistocene
    N. dentatus                see    Megalania prisca           Rancholabrean
Notosaurus                     see    Mesosaurus
Nucras                                                           Oligocene-Recent
    N. succinea                see    Succinilacerta succinea    Eocene-Holocene
    N. tessellata              see    Nucras succinea
Nyasasaurus
Nyasaurus                      see    Nyasasaurus
Nycteroleter                                                     U.Permian
    N. bashkyricus                                               Kazanian
    N. ineptus                                                   Kazanian-Tatarian
    N. kassini                 possibly not Nycteroleterid
    N. ultimus                 see Karpinskiosaurus ultimus, in Amphibia Index
Nyctiboetus                                                  U.Permian
Nyctiphruretes                 see Nyctiphruretus
    N. acudens                 see Nyctiphruretus acudens
Nyctiphruretus                 4.4 cm           36 cm        U.Permian
    N. acudens                                  2.5 cm       U.Permian
    N. optabilis                                             U.Permian
Occitanosaurus          25 cm                 4.1 m           L.Jurassic
    N. tournemirensis                         4.1 m           Toarcian
Ocoyuntaia                                                    L.Triassic
    O. arquata          nomen dubium                          L.Triassic
Odaxosaurus                                                   U.Cretaceous-L.Eocene
    cf. O. sp.                                                Campanian
    O. cf. Piger                                              Torrejonian
    O. obliquus         see   Odaxosaurus      piger          Maastrichtian
    O. piger                                                  Maastrichtian-Tiffanian
    O. sp.                                                    Maastrichtian-Wasatchian
    O. sp.                                                    Campanian
    O. sp.                                                    Puercan
Odontomophis            see     Necrosaurus
    O. atavus           see     Necrosaurus    cayluxi
Odoxosaurus             see     Odaxosaurus                   U.Paleocene
    O. sp.                                                    Tiffanian
Oedaleops               10 cm                 50 cm           L-U.Permian
    O. campi                                                  L-U.Permian
Oedalepos               see     Oedaleops
    O. campi            see     Oedaleops
Oedalops                see     Oedaleops
Ogmodirus                                                     U.Cretaceous
    O. ischiadicus      see   Alzadasaurus      kansasensis   U.Cretaceous
    O. martinii                                               U.Cretaceous
Oligodontosaurus                                              U.Paleocene
    cf. O. sp.                                                Torrejonian
    O. wyomingensis                                           U.Paleocene
Oligolycus              see     Nothosaurus
    O. hecki
Oligosimus                                             U.Cretaceous
Olindalacerta                                          L.Cretaceous
Omoiotyphlops                                          U.Eocene-L.Oligocene
    O. edwardsi                                        U.Eocene-L.Oligocene
Omosaurus               see Nicrosaurus                U.Triassic
Omphalosaurus                           2.8 m          M.Triassic
    O. cf. Nevadanus                                   Ladinian
    O. nettarhynchus                                   M.Triassic
    O. nevadanus                                       M.Triassic
    O. nisseri                                         M.Triassic
    O. wolfi            see Omphalosaurus cf. nevadanus
Opeosaurus              see Simosaurus                 M.Triassic
    O. suevicus         see Simosaurus or Nothosaurus giganteus
Opetiosaurus            see Aigialosaurus bucchichi
    O. bucchichi        18 cm           1.8 m          M.Cretaceous
Ophiacodon              28 cm           3.7 m   205 kg U.Pennsylvanian-L.Permian
    O. cf. Uniformis                                   L.Permian
    O. grandis          see Eryops grandis, in Amphibia Index
    O. hilli                                           L.Permian
    O. major                            3 m?           Leonardian
    O. mirus            30 cm?          1.6 m          L.Permian
    O. navajovicus                                     L.Permian
    O. retroversus        45 cm?     45 cm?     2.2 m     Wolfcampian
    O. sp.                                                L.Permian
    O. triangulata                                        L.Permian
    O. uniformis          27 cm?                70 cm?    L.Permian
    O. watsoni                                            Wolfcampian
Ophiodeirus               see     Araeoscelis             L.Permian
    O. casei              see     Araeoscelis    casei    Wolfcampian
Ophiomorphus
Ophipseudopus                                             M.Eocene
    O. gracilis           1 cm?                           Lutetian
Ophisauriscus                                             M.Eocene
    aff. O. eucarinatus   see Necrosaurus eucarinatus
    O. quadrupes          1 cm?          14 cm?           Lutetian
Ophisaurus                                                Eocene-Recent
    O. acuminatus                          25 cm?         Pontian
    O. attenuatus         living Slender Glass Lizard     U.Pliocene-Recent
    O. bibronianus        nomen dubium                    U.Miocene
    O. canadensis                                         U.Miocene
    O. cf. Sp.                                            Vindobonian
    O. compressus         living Island Glass Lizard      Irvingtonian-Recent
    O. fejfari                                            Agenian
    O. hallensis          see   Ophisauriscus quadrupes   Lutetian
    O. harti              see   Dopasia harti
    O. intermedius        see   Ophisaurus pannonicus
    O. koellikeri                                         U.Blancan
    O. laurillardi        nomen dubium                    U.Miocene
    O. moguntinus                        1.4 m?           U.Oligocene-U.Miocene
    O. novorossicus       see Ophisaurus pannonicus
    O. pannonicus         10 cm?         2 m?             U.Miocene-Pleistocene
    O. picteti                           42 cm?           U.Eocene
    O. roqueprunensis                                     L.Oligocene
    O. rugosus            nomen dubium                    M.Oligocene
    O. sp.                                                U.Eocene-U.Pleistocene
    O. sp.                                                Aquitanian-Burdigalian
    O. sp.                                                Barstovian
    O. spinari                                            Agenian
    O. ulmensis           see Ophisaurus moguntinus
    O. ventralis          living Eastern Glass Lizard     Barstovian-Recent
    O. voigti             see Ophisaurus hallensis        Lutetian
Ophisthias                see Opisthias                   U.Jurassic
Ophthalmosaurus           1 m              4.9 m?         U.Jurassic
    O. cantabrigiensis                                    L.Cretaceous
    O. discus                                             Oxfordian
    O. icenicus           1 m               4 m           M-U.Jurassic
    O. monocharactus      see   Ophthalmosaurus sp.       Tithonian
    O. natans             see   Baptanodon natans         U.Jurassic
    O. sp.                                                Tithonian
    O. sp.                                                Jurassic
    O. sp.                                                M-U.Jurassic
    O. undorensis                                         Kimmeridgian
Opisthias                                                 U.Jurassic
     O. rarus              3 cm?                              Tithonian
     O. sp.                                                   Purbeckian
Oplurus                                                       U.Pleistocene-Recent
     O. sp.                                                   Rancholabrean
Orenburgia                                                    L-M.Triassic
     O. bruma              see   Orenburgia   enigmatica      Olenekian
     O. concinna
     O. enigmatica         4.5 cm                             Olenekian
     O. majmesculae        see Kapes majmesculae
Oreosaurus                 pre-occupied, see Xestops
     O. gracilis           see Xestops gracilis
     O. lentus             see Xestops lentus
     O. microdus           see Xestops microdus
     O. minutus            see Xestops minutus
     O. vagans             see Xestops vagans
Ornithosuchus              25 cm            4 m?    50 kg     U.Triassic
     O. longidens                           3.3 m             Carnian
     O. rusconii
     O. stormbergi                                            U.Triassic
     O. taylori            see Ornithosuchus longidens        Carnian
     O. woodwardi          see Ornithosuchus longidens        Carnian
Oronosaurus                1.5 m           12.3 m?            U.Cretaceous
Orophosaurus                                                  U.Cretaceous
Ostodolepis                                                   Permian
     O. brevispinatus                                         Permian
Oterognathus               see   Plioplatecarpus
     O. houzeaui           see   Plioplatecarpus   houzeaui
Otischalkia                                                   U.Triassic
     O. elderae
Ototriton                  Lestophis                          L.Eocene
     O. anceps             see Lestophis anceps               Wasatchian
     O. minor              see Jepsibaena minor               Wasatchian
     O. solidus            3.2 cm         77 cm?              Wasatchian
Otschevia                                                     U.Jurassic
     O. alekseevi                                             U.Jurassic
     O. pseudoscythica                                        Tithonian
     O. zhuravlevi                                            Tithonian
Owenetta                   3.5 cm             41 cm           U.Permian-L.Triassic
     O. kitchingorum       2.5 cm?            29 cm?          L.Triassic
     O. rubidgei           3.5 cm             41 cm           U.Permian
     O. sp.                                                   U.Permian
Oxia                                                          L.Cretaceous
     O. karakalpakiensis                                      Albian-Coniacian
Oxyodon                    see Sphenacodon                    L.Permian
     O. britannicus        see Sphenacodon britannicus
Pachastrophaeus            see Pachystropheus
Pachycostasaurus           64 cm?          2.8 m              U.Jurassic
     P. dawni                              2.8 m              Callovian
Pachygenys                                                    L.Cretaceous
     P. thlastesa                                             Barremian
Pachygonosaurus                                               M.Triassic
Pachypleura                      see   Pachypleurosaurus
    P. edwardsii                 see   Neusticosaurus edwardsii
    P. pusillus                  see   Neusticosaurus pusillus
Pachypleurosaurus                                  122 cm           M.Triassic
    P. cf. Staubi                see   Neusticosaurus pusillus
    P. edwardsi(edwardsii)       see   Neusticosaurus pusillus      Anisian-Ladinian
    P. staubi                    see   Neusticosaurus staubi        M.Triassic
Pachystropheus                                                      U.Triassic
    P. rhaeticus                                                    Rhaetian
Pachysuchus                                                         L.Jurassic
    P. imperfectus               indeterminate material             Hettangian
Pachyvanarus                     probably Pachyvaranus
Pachyvaranus                                                        U.Cretaceous
Paikasisaurus                                                       L-M.Jurassic
    P. indicus                                                      L-M.Jurassic
Palacagama                       see   Palaeagama
    P. vielhaueri                see   Palaeagama     vielhaueri
Palacrodon                                                          L.Triassic
    P. browni                                                       L.Triassic
Palaeagama                                       15 cm?             U.Permian-L.Triassic
    P. vielhaueri                2.7 cm          12 cm?             L.Triassic
Palaeoboa                        see Lestophis                      Eocene
Palaeochamaleo                   see Weigeltisaurus
    P. europaeus                 see Uromastyx europaeus            U.Eocene-L.Oligocene
    P. jaekeli                   see Weigeltisaurus jaekeli
Palaeoctonus                     see Rutiodon                       U.Triassic
    P. appalachianus                                                Carnian
    P. aulacodus                                                    U.Triassic
    P. dumblianus
    P. dumblinus                                                    U.Triassic
    P. orthodon                                                     U.Triassic
Palaeohatteria                   see   Haptodus                     L.Permian
    P. longicaudata              see   Haptodus   longicaudata      L.Permian
Palaeolacerta                                                       U.Jurassic
    P. bavarica(bavariscus)                         6 cm?           U.Jurassic
Palaeonornis                     see Rutiodon
Palaeopleurosaurus               5 cm               60 cm           L.Jurassic
    P. posidonae                                                    L.Jurassic
Palaeosaniwa                                        2.8 m           U.Cretaceous
    cf. P. canadensis                                               Maastrichtian-Torrejonian
    P. canadensis                                                   Campanian-Eocene
    P. obtusus                                                      Maastrichtian
    P. wyomingensis                                                 Maastrichtian
Palaeosauriscus                  see   Palaeosaurus                 U.Triassic
Palaeosaurus                     see   Necrosaurus
    P. cayluxi                   see   Necrosaurus cayluxi
    P. fraserianus                                                  Carnian
    P. sternbergi(sternbergii)   see   Sphenosaurus    sternbergi, in Amphibia Index
Palaeoscincosaurus                                                  L.Paleocene
    P. middletoni                                                   Puercan
Palaeosphenodon                  see   Haptodus
    P. longicaudatus     see  Haptodus baylei
Palaeovaranus            see   Necrosaurus
    P. cayluxi           see   Necrosaurus cayluxi & Varanus
    P. filholi           see   Necrosaurus cayluxi
Palaeoxantusia                                           M.Paleocene-L.Oligocene
    P. allisoni                                          Uintan
    P. borealis                                          Chadronian
    P. cf. Borealis                                      Chadronian
    P. cf. Fera                                          Torrejonian
    P. fera              1 cm?                           Torrejonian-Wasatchian
    P. kyrentos                                          Uintan
    P. sp.                                               Bridgerian
    P. sp.                                               Chadronian
Paleoboa                 see Lestophis                   M.Eocene
    P. crassa            see Lestophis crassus           Bridgerian
Paleopleurosaurus        see Palaeopleurosaurus
Paleorhinus              80 cm             4 m           L-U.Triassic
    P. angustifrons                                      U.Triassic
    P. bransoni                                          Carnian
    P. broili(broilii)                                   U.Triassic
    P. ehlersi           80 cm             2.5 m         U.Triassic
    P. fraasi                                            Scythian-Ladinian
    P. hislopi                                           Tuvalian
    P. latus                                             U.Triassic
    P. magnoculus        see Arganarhinus                U.Triassic
    P. neukami                                           U.Triassic
    P. parvus                                            U.Triassic
    P. sawini                                            U.Triassic
    P. scurriensis       60 cm             2 m           U.Triassic
    P. sp.                                               U.Triassic
    P. trauthi                                           U.Triassic
Paleothyris              3 cm              25 cm         M.Pennsylvanian
    P. acadiana                                          M.Pennsylvanian
Paleoxantusia            see Palaeoxantusia              M.Paleocene-L.Oligocene
    P. sp.                                               U.Oligocene
Paliguana                2.8 cm            30 cm         U.Permian-L.Triassic
    P. whitei            2.8 cm            30 cm         L.Triassic
Pallaeohatteria          probably Palaeohatteria, see Haptodus
    P. longicaudata      see Haptodus baylei
Pallisteria                                              M.Triassic
Pamizinsaurus                                            M.Cretaceous
    P. tlayuaensis       1 cm?             5 cm?         Albian
Pancelosaurus                                            U.Cretaceous
    P. pawneensis        see Parophisaurus pawneensis
    P. piger             see Proxestops silberlingii     Campanian
    P. sp.                                               Maastrichtian
Pantelosaurus            see Haptodus                    L.Permian
    P. longicaudata      see Haptodus
    P. saxonicus         see Haptodus saxonicus          L.Permian
Pantosaurus                                              U.Jurassic
    P. striatus                                          U.Jurassic
Paoteodon                                                   U.Triassic
    P. huanghoensis                                         U.Triassic
Papresto
Parabradysaurus          see Scutosaurus
    P. dubius            nomen nudum
    P. silantjevi
    P. udmurticus                                           M.Permian
Paracaptorhinius         see   Paracaptorhinus
Paracaptorhinus                                             L.Permian
    P. neglectus         10 cm?                             L.Permian
Paracontogenys                                              U.Eocene
    P. estesi                                               U.Eocene
Paradapedon              20 cm          1.5 m               U.Triassic
    P. huxleyi           30 cm  46 cm   1.5 m               U.Triassic
    P. indicus           see Parasuchus huxleyi?            M.Triassic
Paraderma                                                   U.Cretaceous
    P. bogerti                                              Campanian-Maastrichtian
Paraderms                probably   Paraderma               U.Cretaceous
    P. sp.                                                  Maastrichtian
Paradipsosaurus                                             U.Eocene-L.Oligocene
    P. mexicanus         2.7 cm                             U.Eocene-L.Oligocene
Paragerrhonotus                                             L.Pliocene
    cf. P. ricardensis                                      M.Miocene
    P. ricardensis                                          Clarendonian
Paraglyphanodon                                             U.Cretaceous
    P. gazini                                               Maastrichtian
    P. utahensis                                            Maastrichtian
Paraglyptosaurus         12.5 cm                            L-M.Eocene
    cf. P. hillsi
    cf. P. princeps                                         Wasatchian
    P. cf. Hillsi                                           Bridgerian
    P. cf. Yatkolai                                         Wasatchian
    P. hillsi                                               Bridgerian
    P. princeps          see   Glyptosaurus   sylvestris    Wasatchian
    P. sp.                                                  Wasatchian
    P. yatkolai                                             Wasatchian
Paramacellodus           1 cm?                              U.Jurassic
    cf. P. keebleri                                         Aptian-Albian
    P. oweni                                                Tithonian
    P. sp.                                                  Tithonian
    P. sp. Cf. Oweni                                        Kimmeridgian
Parameiva                                                   U.Cretaceous
    P. oculea                                               U.Cretaceous
Paranothosaurus                          4 m                M.Triassic
    P. amsleri           see Nothosaurus giganteus
Paranotinosaurus         probably Paranothosaurus, see      Nothosaurus
Paranthosaurus           see Paranothosaurus                M.Triassic
Paraophthalmosaurus                                         U.Jurassic
    P. saratoviensis     see   Paraophthalmosaurus   sp.?   Tithonian
    P. saveljeviensis                                       Tithonian
    P. sp.?                                                 Tithonian
    P. yasykovi                                                     Tithonian
Paraphrynosoma                                                      L.Oligocene
    P. greeni                                                       Orellan
Paraplacodus                                                        M.Triassic
    P. broilii(broili)                                              Anisian-Ladinian
Paraprionosaurus                                                    Paleocene-M.Eocene
    P. silberlingii            see   Proxestops    silberlingi      Paleocene
    P. wyomingensis                                                 Bridgerian
Parapseudopus                                                       M.Eocene
    P. hallensis               see   Ophisaurus    hallensis        Lutetian
    P. minor                   see   Ophisaurus    hallensis        Lutetian
Parasaniwa                                                          U.Cretaceous-M.Eocene
    P. obtusa                  see   Parasaniwa    wyomingensis     Maastrichtian
    P. sp.                                                          Maastrichtian-Bridgerian
    P. wyomingensis                                                 Campanian-Maastrichtian
Parasauromalus                                                      L-M.Eocene
    aff. P. paleocenicus       see Plesiolacerta      paleocenica
    P. olseni                  4.5 cm                               Wasatchian-Uintan
Parasaurus                                                          U.Permian
    P. geinitzi                                                     Capitanian
    P. striatus                see   Pantosaurus    striatus
Parasuchus                                         3 m              U.Triassic
    P. hislopi                                                      M.Triassic
    P. huxleyi
Paratypothorax                                                      U.Triassic
    P. andressorum(andressi)                                        Carnian-Rhaetian
    P. ornatus                                                      Carnian
    P. sp.                                                          Triassic
Parauromastyx                                                       U.Cretaceous
    P. gilmorei                                                     U.Cretaceous
Paravaranus                                                         U.Cretaceous
    P. angustifrons            2.7 cm                               Campanian
Paraxestops                                                         U.Eocene
    P. stehlini                                                     U.Eocene
Pareiasauroides                                                     U.Permian
    P. henneni                                                      U.Permian
Pareiasaurus                                     2.5 m              U.Permian
    P. acutirostris            see   Koalemasaurus acutirostris
    P. americanus                                                   U.Permian
    P. baini                   see Bradysaurus baini
    P. bombidens               see Bradysaurus bombidens
    P. elegans                 see Scutosaurus karpinskii           Tatarian
    P. henneni                 see Pareiasauroides henneni
    P. horridus                see Scutosaurus karpinskii           Tatarian
    P. karpinskii(karpinsky)   see Scutosaurus karpinskii           Tatarian
    P. nasicornis              50 cm                                U.Permian
    P. omocratus                                                    U.Permian
    P. parvus                                                       U.Permian
    P. peringueyi                                                   U.Permian
    P. pinnatus                                                     U.Permian
    P. pulcher                                                      U.Permian
    P. rubidgei               50 cm                           U.Permian
    P. russouwi                                               U.Permian
    P. serridens(serrideus)   40 cm?                          U.Permian
    P. sp.                                                    U.Permian
    P. strubeni               see   Nochelesaurus strubeni?   U.Permian
    P. tuberculatus           see   Scutosaurus karpinskii    Tatarian
    P. vjatkensis             see   Deltavjatia vjatkensis
Pareiasuchus                  see   Pareiasaurus              U.Permian
    P. elegans                see   Scutosaurus karpinskii
    P. horridus               see   Scutosaurus karpinskii
    P. nasicornis             see   Pareiasaurus nasicornis   U.Permian
    P. peringueyi             see   Pareiasaurus peringueyi   U.Permian
    P. tuberculatus           see   Scutosaurus karpinskii
    P. vjatkensis             see   Deltavjatia vjatkensis
Pareiosaurus                  see   Pareiasaurus
    P. elegans                see   Scutosaurus karpinskii
    P. horridus               see   Scutosaurus karpinskii
    P. karpinskii             see   Scutosaurus karpinskii
    P. tuberculatus           see   Scutosaurus karpinskii
Pareisaurus                   see   Pareiasaurus
    P. baini                  see   Pareiasaurus baini
Pareodura                                                     U.Pleistocene-Recent
    P. sp.                                                    Rancholabrean
Pariasaurus                   see   Pareiasaurus
Pariotichus                   see   Captorhinus               L.Permian
    P. aduncus                see   Captorhinus aguti         Leonardian
    P. aguti                  see   Captorhinus aguti
    P. angusticeps            see   Captorhinus aguti
    P. brachyops(brachiops)                                   Wolfcampian
    P. incisivus              see   Captorhinus   aguti
    P. isolemus(isolomus)     see   Captorhinus   aguti       Leonardian
    P. laticeps               see   Captorhinus   aguti
    P. sp.                                                    Wolfcampian
Parodaxosaurus                                                M.Paleocene
    P. sanjuanensis                                           Torrejonian
Parophisaurus                                                 M.Oligocene
    P. pawneensis                                             Chadronian-Orellan
Parringtonia                                                  M.Triassic
    P. gracilis                                               Anisian
Partanosaurus                 see  Parthanosaurus             M.Triassic
    P. zitteli                see  Simosaurus cf. Gaillardoti
Parthanosaurus                see  Simosaurus                 M.Triassic
    P. zitteli                see  Simosaurus cf. Gaillardoti
Parviderma                                                    U.Cretaceous
    P. inexacta               5 cm                            Campanian
Parvinatator                                                  L-M.Triassic
    P. wapitiensis                             <1 m           L-M.Triassic
Parviraptor                                                   U.Jurassic-L.Cretaceous
Patricosaurus                                                 L.Cretaceous
    P. merocratus             nomen dubium                    Albian
Pattsia                                                       Triassic
Pectenosaurus                 see   Tanystropheus
Pelecymala                                                  U.Triassic
    P. robustus                                             Rhaetian
Peloneustes                   58 cm            4.3 m        U.Jurassic
    P. evansi                                               Oxfordian
    P. irgisensis             see Strongylokrotaphus irgisensis
    P. philarchus             58 cm            4.3 m        Callovian
Peltosaurus                                                 U.Cretaceous-L.Miocene
    cf. P. sp.                                              Arikareean
    P. abbotti                4.5 cm                        M-U.Oligocene
    P. floridanus             see Peltosaurus granulosus
    P. granulosus             4.8 cm           60 cm?       Orellan
    P. jepseni                see Proxestops silberlingii   Tiffanian
    P. macrodon               see Glyptosaurus macrodon
    P. minimus                see Eumeces minimus           Arikareean
    P. piger                  see Odaxosaurus piger         Maastrichtian
    P. sp.                                                  U.Oligocene-L.Miocene
    P. sp.                                                  Torrejonian
    P. sp.                                                  Oligocene
    P. sp.                                                  Orellan
    P. sp.                                                  Wasatchian-Oligocene
    P. sp.                                                  Chadronian
Peneteius                                                   U.Cretaceous
    P. aquilonius                                           Campanian-Maastrichtian
    P. sp.                                                  U.Cretaceous
Pentaedrusaurus                                             L.Triassic
    P. ordosianus                                           L.Triassic
Pentatarsostinus              see Plesiosaurus
Perparvus                                                   U.Triassic
Pessopteryx                   see Omphalosaurus
    P. arctica                indeterminate material        Spathian
    P. minor                  see Isfjordosaurus minor      Spathian
    P. nisseri                                              M.Triassic
    P. pinguis                indeterminate material        Spathian
Pessosaurus                                                 M.Triassic
    P. polaris                questionable validity         M.Triassic
Petrobates                    see Amphibia Index            L.Permian
Petrolacosaurus               1.8 cm           41 cm?       U.Pennsylvanian
    P. kansensis(kansansis)   1.8 cm           20 cm        Stephanian
Petrophryne                                                 Triassic
    P. granulata                                            Triassic
Peurcosaurus                                                L.Permian
Peyerus                       see Leptocleidus              L.Cretaceous
    P. capensis               28 cm            2.8 m        L.Cretaceous
Phaanthosaurus                                              L.Triassic
    P. ignatjevi              1.5 cm?                       Induan
Phalarodon                                                  M.Triassic
    P. fraasi                 see P. nordenskioeldii        M.Triassic
    P. nordenskioeldii                         1.5 m        Triassic
Phanerosaurus                 see Amphibia Index
Phelsuma                                                    U.Pleistocene-Recent
    P. cepediana                           10 cm?       Holocene
    P. cf. Guentheri                                    Holocene
    P. gigas                                33 cm?      Holocene
    P. newtoni         see   Phelsuma     gigas
    P. sp.                                              U.Pleistocene
Phigosaurus                                             Triassic
Phocosaurus            see   Therapsid Index
Phosphorosaurus                                         U.Cretaceous
    P. ortliebi        see   Halisaurus     ortliebi?
Phreatophasma                                         U.Permian
    P. aenigmaticum                                   Kazanian
Phrynosoma                                            M.Miocene-Pleistocene
    cf. P. douglassi                                  Irvingtonian
    P. adinognathus                                   L.Pleistocene
    P. anzaense                                       Blancan-Irvingtonian
    P. cf. Douglassi                                  M.Miocene
    P. cornutum        living Texas Horned Lizard     U.Pliocene-Recent
    P. coronatum       living Coast Horned Lizard     Rancholabrean-Recent
    P. douglassi       living Short-horned Lizard     Rancholabrean-Recent
    P. greeni          see Paraphrynosoma greeni      Orellan
    P. holmani                                        U.Pliocene
    P. josecitensis                                   Pleistocene
    P. modestum        living Roundtail Horned Lizard Rancholabrean-Recent
    P. orbiculare                                     Pleistocene
    P. platyrhinos     living Desert Horned Lizard    Rancholabrean-Recent
    P. sp.                                            Pleistocene
    P. sp.                                            Blancan-Irvingtonian
    P. sp.                                            Hemphillian
    P. sp.                                            U.Miocene
Phrynosomimus                                         U.Cretaceous
    P. asper                                          U.Cretaceous
Phygosaurus                             76 cm         M.Triassic
    P. perledicus      see Serpianosaurus mirigiolensis
Phyllodactylus                                        M.Miocene-Recent
    cf. P. sp.                                        M.Miocene
Physignathus                                          M.Miocene-Recent
    P. leseurii
Phytosaurus            see   Nicrosaurus, Rutiodon & Palaeoctonus
    P. buceros                                          U.Triassic
    P. cylindricon     nomen dubium                     U.Triassic
    P. doughtyi        see Rutiodon doughtyi            U.Triassic
    P. dumblianus      see Palaeoctonus dumblianus
    P. kapfi(kapffi)   see Mystriosuchus westphali      U.Triassic
    P. megalodon       possibly Angistorhinus           U.Triassic
    P. orthodon        see Palaeoctonus orthodon
    P. plieningeri     see Mystriosuchus westphali
    P. scolopax                                         U.Triassic
Picrocleidus           see Muraenosaurus                U.Jurassic
    P. beloclis        see Muraenosaurus beloclis
Piocormus              see Sapheosaurus                 U.Jurassic-L.Cretaceous
    P. laticeps        3 cm?                            U.Jurassic
Piptomerus                                                     U.Cretaceous
    P. hexagonus                                               U.Cretaceous
    P. megaloporus                                             U.Cretaceous
    P. microporus                                              U.Cretaceous
Piramicephalosaurus                                            U.Cretaceous
    P. cherminicus                                             U.Cretaceous
Piratosaurus                                                   U.Cretaceous
Piscosaurus                      see Elasmosaurus
    P. carinatus                 see Elasmosaurus platyurus
Pistosaurus                      20 cm            4 m          M.Triassic
    P. grandaevus                see Pistosaurus longaevus     Ladinian
    P. longaevus                                               Anisian
    P. typus                     see Pistosaurus longaevus
Placochelyanus                   see Placochelys               U.Triassic
    P. malanchinii               see Psephoderma alpinum
    P. stoppanii                 see Psephoderma alpinum
Placochelys                      15 cm            1 m          U.Triassic
    P. af. Boni                  see Psephoderma alpinum
    P. alpissordidae(alpis-sor-disee Psephoderma alpinum       U.Triassic
    P. malanchinii               see Psephoderma alpinum       U.Triassic
    P. placodonta                14 cm?           80 cm?       Carnian
    P. stoppanii                 see Psephoderma alpinum       U.Triassic
    P. zittelli                  see Psephoderma alpinum       U.Triassic
Placodus                         25 cm            3 m?         L-M.Triassic
    P. aethiopi                  see Placodus gigas
    P. aethiops                  see Placodus gigas
    P. andriani                  see Placodus gigas            M.Triassic
    P. angustus                  see Placodus gigas
    P. antiquior                 see Placodus gigas
    P. bathygnathus              see Placodus gigas
    P. bombidens                 see Placodus gigas
    P. duplicatus                see Tholodus
    P. gigas                     21.6 cm          2.5 m        Anisian-Ladinian
    P. gracilis                  indeterminate material
    P. hypsicephalus             see Placodus gigas
    P. hypsiceps                 see Placodus gigas
    P. impressus                 see Placodus gigas
    P. laticeps                  see Cyamodus muensteri
    P. munsteri                  see Cyamodus muensteri
    P. pachygnathus              see Placodus gigas
    P. quinimolaris              see Placodus gigas
    P. rostratus                 see Cyamodus rostratus
    P. rugosus                   see Placodus gigas
    P. sp.                                                     L.Jurassic?
    P. strunzi                   see Placodus gigas
    P. zitteli                   see Psephoderma alpinum
Placosauriops                                                  M.Eocene
    P. abderhaldeni                               16 cm        M.Eocene
    P. weigelti                                   20 cm?       M.Eocene
Placosauroides                   probably Placosauriops        M.Eocene
    P. abderhaldeni              probably Placosauriops abderhaldeni
Placosaurus                                                       M.Eocene-L.Oligocene
    P. cayluxi                     nomen dubium                   U.Eocene
    P. europaeus                   7 cm                           U.Eocene
    P. galliae                     nomen dubium                   U.Eocene
    P. gaudryi                     nomen dubium                   U.Eocene
    P. leenhardti                  see Placosaurus   quercyi
    P. margariticeps                                              U.Eocene
    P. mongoliensis                                               M-U.Eocene
    P. quercyi                     6 cm?                          U.Eocene
    P. rugosus                                                    U.Eocene
    P. sp.                                                        U.Eocene
    P. waltheri                    nomen dubium                   Lutetian
Placotherium                       see Placosaurus                M.Eocene
    P. waltheri                    see Placosaurus waltheri       Lutetian
Planocephalosaurus                 3.4 cm          20 cm          U.Triassic
    P. robinsonae                  18 mm           15 cm          Rhaetian
    P. sp.
Platecarpus                        70 cm          5.8 m           M-U.Cretaceous
    P. abruptus                    see Platecarpus coryphaeus     Maastrichtian
    P. af. Somenensis
    P. anguligerus(anguiliferus)                                  U.Cretaceous
    P. bocagei                                                    Turonian
    P. cf. Somenensis
    P. clidastoides                see Ectenosaurus clidastoides
    P. coryphaeus                  60 cm           5.8 m          Santonian
    P. curtirostris                                               U.Cretaceous
    P. glandiferus                                                U.Cretaceous
    P. ictericus                                                  Santonian
    P. intermedius                 nomen dubium
    P. latispinus                                                 U.Cretaceous
    P. mudgei                                                     U.Cretaceous
    P. planifrons                                                 Santonian
    P. ptychodon                                                  Maastrichtian
    P. somenensis                  see P. tympaniticus or Plioplatecarpus somenensis
    P. sp.                                                        U.Cretaceous
    P. sp.                                                        Campanian
    P. tectulus                                                   U.Cretaceous
    P. tympaniticus                                6.2 m          Santonian
Platydactylus                      see Gekko
    P. minutus                     see Gekko minutus
Platyoropha                        see Bradysaurus                M.Permian
    P. broomi                      see Bradysaurus broomi
Platyorpha                         probably Platyoropha, see Brachypareia
    P. broomi                      see Brachypareia watsoni
Platypterygius                                     7 m            L-U.Cretaceous
    P. americanus                                  7 m            U.Cretaceous
    P. australis                   131 cm          7 m            L-U.Cretaceous
    P. bannovkensis                                               Cenomanian
    P. bedengensis                                                Hauterivian
    P. birjukovi                                                  Hauterivian
    P. compylodon                                                 L-U.Cretaceous
    P. hauthali
    P. hercynicus                see Ichthyosaurus hercynicus
    P. kiprijanoffi              82 cm?                              Albian-Cenomanian
    P. longmani                                  7 m                 Albian
    P. platydactylus
    P. steleodon                                                Hauterivian-Barremian
Platyrhachis                     see   Rhineura
    P. coloradensis              see  Rhineura coloradensis     Orellan
    P. rhambastes                see  Cremastosaurus carinicollis
    P. unipedalis                see  Cremastosaurus unipedalis
Plesiolacerta                                                   U.Paleocene-L.Oligocene
    P. lydekkeri                                                Headonian
    P. paleocenica                                              U.Paleocene
Plesiopleurodon                  70 cm            2.85 m        M.Cretaceous
    P. wellesi                   70 cm            2.85 m        Cenomanian
Plesiorhineura                                                  M.Paleocene
    P. tsentasi                                                 Torrejonian
Plesiosaurus                     20 cm            4.9 m         L.Jurassic
    P. affinis
    P. arcuatus                  see   Eurycleidus arctuatus
    P. australis                 see   Mauisaurus haasti(some material indeterminate)
    P. balticus                  see   Cimoliasaurus?
    P. bavaricus
    P. bernardi                  see   Cyrmocetus     bernardi?      Senonian
    P. bitractensis
    P. bomalospondylus           see   Plesiosaurus    homalospondylus
    P. brachistospondylus
    P. brachycephalus            see   Plesiosaurus    macrocephalus
    P. brachypterygins           see   Plesiosaurus    brachypterygius
    P. brachypterygius           see   Plesiosaurus    guilelmiimperatoris?
    P. brevis
    P. capensis
    P. carinatus
    P. cf. Guilelmiimperatoris
    P. chilensis
    P. cliduchus                 see   Thalassiodracon    hawkinsi
    P. compressus
    P. constrictus
    P. conybeari                                   4.9 m         L.Jurassic
    P. conybeare                 see   Attenborosaurus conybeare
    P. costatus
    P. cramptoni                 see Rhomaleosaurus cramptoni
    P. crassicostatus            indeterminate material              Maastrichtian
    P. cycnodeirus
    P. depressicostatus
    P. depressus
    P. dibothricus
    P. doedicomus                non-pleiosauran
    P. dolichodeirum             see Plesiosaurus dolichodeirus
    P. dolichodeirus             21 cm           3.5 m          Sinemurian
    P. dolichodirus              see Plesiosaurus dolichodeirus
P.   eleutheraxon          indeterminate material, but probably Thalassiodracon   hawkin
P.   ellipsospondylus
P.   erraticus
P.   etheridgii            see   Thalassiodracon hawkinsi
P.   eurymerus             see   Cryptoclidus eurymerus        Callovian
P.   euryspondylus
P.   guilelmiimperatoris                       3.4 m           Toarcian
P.   gulo
P.   gurgitis
P.   hawkinsii(hawkinsi)   see Thalassiodracon hawkinsi
P.   helmersenii           indeterminate material              Campanian
P.   hesternus                                                 U.Jurassic
P.   hexagonalis
P.   hexatarsostinus       see Thalassiodracon hawkinsi
P.   holmesi               indeterminate material              Maastrichtian
P.   homalospondylus       see Microcleidus
P.   homospondylus
P.   hoodi                 indeterminate material              Maastrichtian
P.   houzeaui
P.   ichthyospondylus      see   Cimoliasaurus?
P.   indicus
P.   infraplanus
P.   latispinus
P.   leptopleuron
P.   levis
L.   lockwoodi             see Taphrosaurus lockwoodii
P.   longirostris          see Macroplata longirostris
P.   mackayi               indeterminate material         Maastrichtian
P.   macrocephalus                          3.23 m        Sinemurian
P.   macromus              see Plesiosaurus dolichodeirus
P.   macropterus           see Microcleidus               L.Jurassic
P.   macrospondylus                                       Cretaceous
P.   macrourus             see Plesiosaurus dolichodeirus
P.   manselli
P.   mauritanicus                                              Maastrichtian
P.   megacephalus          see   Eurycleidus    megacephalus
P.   megapleuron
P.   megdeirus
P.   mexicanus
P.   microdeirus
P.   morinicinus
P.   neocomiensis
P.   nordmanni             indeterminate material              L.Cretaceous
P.   nothosauroides
P.   novomexicanus                                             Cretaceous
P.   ophiodeirus
P.   oxoniensis            see   Cryptoclidus     oxoniensis
P.   pachyomus
P.   pectopleuron
P.   pentagonus
P.   philarchus            see   Peloneustes    philarchus
    P. phillipsi
    P. planus
    P. p. trigonallis
    P. platydeirus
    P. plicatus
    P. poecilospondylus
    P. posiondoniae
    P. priscus                   see Plesiosaurus dolichodeirus
    P. propinquus                see Rhomaleosaurus
    P. robustus
    P. rostratus                 see Archaeonectrus rostratus
    P. rugosus                   see Eretmosaurus rugosus
    P. simpsoni
    P. sp.                                                      Cretaceous
    P. sp.                                                      L.Jurassic
    P. speciosus                 see Nothosaurus mirabilis
    P. subconcavus
    P. subdepressus
    P. subplanus
    P. subtrigonus
    P. suevicus
    P. suprajurensis             see Dakosaurus suprajurensis, in Crocodylia Index
    P. sutherlandi                                              Cretaceous
    P. tournemirensis            see Occitanosaurus tournemirensis
    P. traversi                  indeterminate material         Maastrichtian
    P. triatarsostinus           see Thalassiodracon hawkinsi
    P. trigonus
    P. tritarsostinus            see Thalassiodracon hawkinsi
    P. trochanterius             see Colymbosaurus trochanterius
    P. truncatus
    P. validus
    P. winspitensis
    P. zetlandicus               see Rhomaleosaurus zetlandicus
Plesiotylosaurus                 1 m              10.15 m       U.Cretaceous
    P. crassidens                91 cm            10.15 m       Maastrichtian
Plesiotyrannus                   possibly Plesiotylosaurus
    P. crassidens                possibly Plesiotylosaurus
Plestiodon
    P. galliae                   see Agama galliae
    P. quercyi                   see Placosaurus quercyi
Pleuradontagama                  see Pleurodontagama
Pleuristion                      see Protocaptorhinus           L.Permian
    P. brachycoelus(brachycoeloussee Protocaptorhinus pricei    L.Permian
Pleurodontagama                                                 U.Cretaceous
    P. aenigmatodes                                             Campanian
Pleurodus                        see Placodus
Pleurosaurus                     79 mm            60 cm         U.Jurassic-L.Cretaceous
    P. ginsburgi                 79 mm            60 cm         L.Cretaceous
    P. goldfussi                 79 mm            60 cm         U.Jurassic
Plioplatecarpus                                   7.7 m?        U.Cretaceous
    P. cf. Primaevus                                            Campanian
    P. crassartus
    P. depressus                                                U.Cretaceous
    P. houzeaui                                  4.6 m          U.Cretaceous
    P. marshi(marshii)                           6 m            Maastrichtian
    P. primaevus                 45 cm           7 m            Campanian
    P. scanicus
    P. somenensis
    P. sp.                       1 m             7 m
Pliosaurus                       2 m             12.3 m?       L-U.Jurassic
    P. andrewsi                                                Callovian
    P. brachistospondylus        probably Pliosaurus brachyspondylus
    P. brachydeirus                              10.15 m
    P. brachyspondylus                                         U.Jurassic
    P. cf. Grandis               see Liopleurodon rossicus?
    P. chiliensis
    P. evansi                                                   M.Jurassic
    P. ferox
    P. giganteus                 see   Liopleurodon ferox?      Oxfordian
    P. grandis                                     10.8 m       Oxfordian
    P. irgisensis                98 cm?            6.15 m       Tithonian
    P. macromerus(macromerius)   see Liopleurodon macromerus    Callovian-Kimmeridgian
    P. portlandicus              see Colymbosaurus trochanterius
    P. rossicus                  see Liopleurodon rossicus      Tithonian
    P. rostratus                                                L.Jurassic
    P. sp.                                                      Oxfordian
    P. trochanterius             see Machimosaurus hugii?, in Crocodylia Index
    P. wosinskii                 see Pliosaurus brachyspondylus?
Plotosaurus                      60 cm             13.2 m       U.Cretaceous
    P. bennisoni                 38 cm             8.9 m        Maastrichtian
    P. tuckeri                   60 cm             13.2 m       Maastrichtian
Pluridens                                          9.2 m        U.Cretaceous
    P. walkeri                                     9.2 m        Maastrichtian
Plutoniosaurus                                                  U.Cretaceous
    P. bedengensis               see Platypterygius bedengensis
Podargosaurus                    see Petrolacosaurus
Podopteryx                       see Sharovipteryx
    P. mirabilis                 see Sharovipteryx mirabilis
Poecilospondylus                                                L.Permian
    P. francisi                  see Varanosaurus acutirostris Leonardian
Pogona                                                          Pleistocene
Poliosaurus                      see Ophiacodon                 L.Permian
    P. uniformis                 see Ophiacodon uniformis       L.Permian
Polrussia                                                       U.Cretaceous
    P. mongoliensis              1 cm                           Aptian
Polycotylus                      91 cm             5.2 m        U.Cretaceous
    P. brevispondylus            indeterminate material         Cenomanian
    P. dolichops
    P. dolichopus                see Polycotylus latipinnis & Dolichorhynchops sp.
    P. donicus                   indeterminate material        Senonian
    P. epigurgitis               indeterminate material        Cenomanian
    P. ichthyospondylus
    P. i. Tanais             indeterminate material         Cenomanian
    P. ischiadicus           see Thalassiosaurus ischiadicus
    P. latipinnis                             5.2 m         Santonian
    P. orientalis            indeterminate material         Senonian
    P. tenuis                indeterminate material         Maastrichtian
    P. ultimus               indeterminate material         Campanian
Polyglyphanodon              8.3 cm           46 cm         U.Cretaceous
    P. bajaensis                                            Campanian
    P. sternbergi            8 cm             67 cm?        Santonian-Campanian
    P. sternbergeri          see Polyglyphanodon sternbergi?
Polygonodon                                                 U.Cretaceous
    P. vetus                 a tooth that belongs to a fish
Polyptychodon                172 cm           10.8 m        U.Cretaceous
    P. arcahi
    P. continuus(continus)
    P. hudsoni
    P. interruptus                                 10.8 m
    P. mackesoni
    P. mexicanus             see     Plesiosaurus    mexicanus
    P. neocomiensis
    P. patagonicus
    P. rugosus               see     Deinosuchus    rugosus, in Crocodylia Index
Polyodontosaurus                                                  U.Cretaceous
    P. grandis                                                    Campanian
Polysphenodon                                                     U.Triassic
    P. muelleri                                                   U.Triassic
    P. sp.
Pontosaurus                                                        L.Cretaceous
Poposaurus                                                         U.Triassic
    P. gracilis                                                    U.Triassic
    P. sp.                                                         U.Triassic
Postosuchus                  50 cm      2 m(b)     4 m             U.Triassic
    P. kirkpatricki                                                Carnian
Prestosuchus                                       4.8 m           M.Triassic
    P. chiniquensis          71 cm?     1 m        4.8 m           Norian
    P. loricatus                                                   Norian
    P. sp.                                                         Norian
Pricea                       see     Prolacerta
    P. longiceps                                                   L.Triassic
Primaderma                                                         M.Cretaceous
    P. nessovi                                                     Albian-Cenomanian
Prionosaurus                 see     Exostinus
    P. regularis             see     Exostinus    lancensis        Maastrichtian
Priosphenodon                                      1 m     15 kg   L.Cretaceous
    P. avelasi                                     1 m     15 kg   L.Cretaceous
Priscagama                                                         U.Cretaceous
    P. gobiensis             2.8 cm                                Campanian
Pristiguana                                                        U.Cretaceous
    P. brasiliensis          1 cm?                                 U.Cretaceous
Proaigialosaurus                                                   U.Jurassic
Procerosaurus                see     Tanystropheus
Procerosuchus                                                          M-U.Triassic
    P. celer                                            2.75 m         U.Triassic
Procolophon                        5.7 cm               33 cm          L.Triassic
    P. baini                       see Procolophon       trigoniceps
    P. cuneiceps                   see Procolophon       trigoniceps
    P. griersoni                   see Procolophon       trigoniceps
    P. laticeps                    see Procolophon       trigoniceps   L.Triassic
    P. minor                       see Procolophon       trigoniceps
    P. platyrhinus                 see Procolophon       trigoniceps
    P. pricei                                                          L.Triassic
    P. sp.                         4 cm                 23 cm?         L.Triassic
    P. sp.                                                             L.Triassic
    P. sphenorhinus                see    Procolophon    trigoniceps
    P. trigoniceps                                      30 cm          Scythian
Procolophonoides                                                       L.Triassic
Procotylus
Prodenteia                                                             U.Cretaceous
    P. ministra                                                        U.Cretaceous
Proelginia                         see    Scutosaurus                  U.Permian
    P. permicus(permiana)          see    Scutosaurus    karpinskii
Proglyptosaurus                                                        L.Eocene
    P. huerfanensis(huefanensis)                                       Ypresian
Prognathodon                       1.4 m                12.4 m?        U.Cretaceous
    cf. P. giganteus                                                   Maastrichtian
    P. cf. Overtoni                                                    U.Cretaceous
    P. crassartus                                                      U.Cretaceous
    P. currii                      1.4 m                12.4 m?        U.Cretaceous
    P. giganteus                   86 cm                10.15 m        Campanian-Maastrichtian
    P. overtoni                    71 cm                8.3 m          U.Cretaceous
    P. rapax                                                           Maastrichtian
    P. saturator                   140 cm?         10.7     m?         Maastrichtian
    P. solvayi                     60 cm           6.15     m          Maastrichtian
    P. stadtmani                   125 cm          10.5     m          Campanian
    P. waiparensis(waiparaensis)   111 cm          10.8     m          Maastrichtian
Prognathosaurus                    see Prognathodon
Progonosaurus                                                          Eocene
Proiguana                          see Placosaurus
    P. europeana                   see Placosaurus europaeus
Prolacerta                         6.4 cm          1 m                 L.Triassic
    P. broomi                                                          L.Triassic
    P. sp.                                                             L.Triassic
Prolacertoides                                                         L.Triassic
    P. jimusarensis                                                    L.Triassic
Promystriosuchus                   see    Paleorhinus                  U.Triassic
    P. ehlersi                     see    Paleorhinus    ehlersi
Proneusticosaurus                                       76 cm          M.Triassic
    P. carinthiacus                                                    Anisian-Ladinian
    P. madelungi                                                       Anisian-Ladinian
    P. silesiacus                                     76 cm            Anisian-Ladinian
Propappus                          see    Pareiasaurus                 M-U.Permian
    P. omocratus                   see    Pareiasaurus omocratus
    P. parvus          see Pareiasaurus parvus
    P. rogersi         see Pareiasaurus rogersi
Proplatynota           see Proplatynotia
Proplatynotia          6.5 cm?                          U.Cretaceous
    P. longirostrata   4 cm                             U.Cretaceous
Propodinema            see Tupinambis
    P. oligocena       see Tupinambis paranensis
    P. paranensis      see Tupinambis paranensis
Propseudopus           see Ophisaurus
    P. cayluxi         see Placosaurus cayluxi
    P. fraasii         see Ophisaurus moguntinus
    P. voigti          see Ophisaurus hallensis
Protenodontosaurus                                      U.Triassic
    P. italicus        10.3cm?                          Carnian
Proteosaurus           see Ichthyosaurus
Proterochampsa                         1.8 m            U.Triassic
    P. barrionuevoi    44 cm           3.5 m?           Carnian
    P. nodosa                                           Carnian
Proterosaurus          see   Protorosaurus
Proterosuchus          see   Chasmatosaurus?            L.Triassic
    P. fergusi         see   Proterosuchus vanhoepeni   L.Triassic
    P. sp.                                              U.Permian
    P. vanhoepeni                                       L.Triassic
    P. yuani                                            L.Triassic
Protocaptorhinus                                        L-U.Permian
    P. pricei                                           Wolfcampian
    P. sp.                                              Dzhulfian
Protoclepsidrops       see   Protoclepsydrops
Protoclepsydrops                                        L.Pennsylvanian
    P. haplous                                          Westphalian
Protoichthyosaurus                         2 m+         L.Jurassic
    P. prosostealis                                     Hettangian
    P. prostaxalis                                      Hettangian
Protolacerta                                            L.Jurassic
    P. patagonica      nomen dubium                     L.Jurassic
Protorosaurus                              2 m          U.Permian
    P. huxleyi         see   Adelosaurus    huxleyi     U.Permian
    P. speneri                                          U.Permian
Protorothyris                                           L.Permian
    P. archeri         5 cm?                            Wolfcampian
Protosaurus            see Protorosaurus
Prototeius                                              U.Cretaceous
    P. stageri         2.2 cm                           Campanian
Protrachysaurus        see Placosaurus
    P. gaudryi         see Placosaurus      gaudryi
Provaranosaurus                                         M.Paleocene-L.Eocene
    cf. P. sp.                                          Torrejonian-Wasatchian
    P. acutus          12 cm?                           Tiffanian
    P. sp.                                              Wasatchian
Proxestops                                              L-M.Paleocene
    P. cf. Jepseni                                      Tiffanian
    P. cf. Silberlingi                                              Torrejonian
    P. jepseni                   see Proxestops     silberlingii    Puercan-Wasatchian
    P. piercei                   nomen dubium                       Wasatchian
    P. silberlingii                                                 Torrejonian
    P. sp.                                                          Puercan
    P. sp.                                                          Campanian
Psephoderma                                       2 m               U.Triassic
    P. alpinum(alpinus,alpina)                    2 m               Norian-Rhaetian
    P. anglicum                  may be Psephoderma alpinum         Rhaetian
    P. raeticum                  see Macroplacus raeticum?
Psephosaurus                                                        M-U.Triassic
    P. mosis                     belongs in different genus         Anisian
    P. picardi                                                      Anisian-Ladinian
    P. ramonensis                nomen nudum
    P. rhombifer                 see Psephosaurus      sinaiticus   Anisian
    P. sinaiticus                                                   Anisian
    P. sp.                                                          Triassic
    P. suevicus                                                     Ladinian
Pseudeumeces                                                        U.Eocene-L.Oligocene
    P. cadurcensis               2 cm?                              Headonian
    P. pouiti                    see Ligerosaurus      pouiti       M.Miocene
    P. wahlbeckensis                                                U.Paleocene
Pseudolacerta                                                       L.Eocene-L.Oligocene
    P. lamandini                 5 cm?                              U.Eocene-L.Oligocene
    P. mucronata                 see Plesiolacerta      lydekkeri   L.Eocene-L.Oligocene
    P. sp.                                                          L-U.Eocene
Pseudolagosuchus                 30 cm            107 cm    2 kg    M.Triassic
    P. major                     30 cm            107 cm    2 kg    Ladinian
Pseudopalatus                    Rutiodon                           U.Triassic
    P. andersoni                 possibly   Rutiodon    andersoni   Norian
    P. buceros                                                      Norian-Rhaetian
    P. mccauleyi
    P. pristinus                 see Rutiodon pristinus             Norian-Rhaetian
Pseudopus                        see Ophisaurus
    P. fraasi                    see Ophisaurus moguntinus
    P. rugosus                   see Ophisaurus rugosus
Pseudorhineura                   7.8 mm                             M.Oligocene
    P. minuta                    see Rhineura hatcheri              M.Oligocene
Pseudorhinura                    probably Pseudorhineura
Pseudosaurillus                                                     U.Jurassic
    cf. P. sp.                                                      U.Jurassic
    P. becklesi                                                     Portlandian
    P. sp.                                                          Purbeckian
Psilotrachelosaurus                                                 M.Triassic
    P. toeplitschi               see Neusticosaurus toeplitschi
    P. toplitschi                see Psilotrachelosaurus toeplitschi
Pterycollasaurus                 probably Pterycollosaurus, see Mosasaurus
Pterycollosaurus                 see Mosasaurus
    P. maximiliani                                              U.Cretaceous
Ptilotodon                                                      L.Cretaceous
    P. wilsoni                                                  Aptian-Albian
Puercosaurus                                                          L.Permian
Pumilia                                                               Pliocene-Pleistocene
    P. novaceki                                                       Blancan-Irvingtonian
Pygopus                                                               Miocene
Qianichthyosaurus                                                     U.Triassic
    Q. zhoui                     24 cm              1.5 m             U.Triassic
Qianshanosaurus                                                       Paleocene
    Q. huangpuensis              4.5 cm?                              Paleocene
Rachitrema
    R. pellati
Rajaurisauris                    probably a fish                      M.Eocene
    R. estesi                    probably a fish                      M.Eocene
Rajaurisaurus                    see Rajaurisauris
    R. estesi                    see Rajaurisauris estesi
Rarojugalosaurus                 see Clevosaurus                      L.Jurassic
    R. mcgilli                   see Clevosaurus mcgilli
Rauisuchus                                       4.6 m                M.Triassic
    R. sp.
    R. tiradentes(triradentes)                      4 m               Carnian
Rebbanasaurus                                                         L.Jurassic
    R. jaini                     2.5 cm?                              L.Jurassic
Redondasaurus                                                         U.Triassic
    R. bermani                                                        Rhaetian
    R. gregorii                  see   Pseudopalatus      pristinus   Rhaetian
Redondasuchus                                                         U.Triassic
    R. reseri                                                         Norian
Restes                                                                U.Paleocene-L.Eocene
    R. rugosus                   1.5 cm?                              Tiffanian-Wasatchian
    R. sp.                                                            Campanian
Rhabdopelix                                                           U.Triassic
Rhadinosuchus                    see   Cerritosaurus                  M.Triassic
    R. gracilis                  see   Cerritosaurus      binsfeldi   Ladinian
Rhaeticonia                                                           M.Triassic
    R. rothipletzi                                                    Ladinian
Rhamphosaurus                    see   Tylosaurus
Rhamposaurus                     see   Tylosaurus
Rhineura                                                              M.Oligocene-U.Pleistocene
    R. amblyceps                 see   Rhineura   hatcheri            M.Oligocene
    R. attenuatus                see   Rhineura   hatcheri            M.Oligocene
    R. coloradensis                                 15 cm?            Chadronian
    R. floridana                                                      U.Blancan-Rancholabrean
    R. hatcheri(hatcherii)       2 cm                                 Orellan-Whitneyan
    R. hibbardi                  see Rhineura     hatcheri            M.Oligocene
    R. marslandensis                                                  M.Miocene
    R. minutus                   see   Rhineura   hatcheri
    R. sepultura                                                      M.Miocene
    R. sp.                                                            Bridgerian-Chadronian
    R. sternbergii               see   Rhineura hatcheri              M.Oligocene
    R. wilsoni                   see   Rhineura hatcheri              M.Oligocene
Rhinosauriscus                   see   Amphibia Index                 U.Permian
    R. jasykowii                 see   Amphibia Index                 Tatarian
Rhinosaurus                    see   Amphibia Index               U.Permian
    R. jasykovii(jasikovii)    see   Amphibia Index               Tatarian
    R. micromus                see   Tylosaurus prorigor          U.Cretaceous
Rhiodenticulatus                                                  L.Permian
Rhipaeosaurus                                                     M.Permian
    R. talonophorus                                               M.Permian
    R. tricuspidens                                               Wordian
Rhipeosaurus                   see   Rhipaeosaurus
Rhiphaeosaurus                 see   Rhipaeosaurus
Rhodanogekko                                                      U.Eocene-L.Oligocene
    R. vireti                                                     U.Eocene
Rhomaleosaurus                 1 m              7.5 m   8.9 t     L.Jurassic
    R. arctuatus                                5.2 m   2.6 t
    R. cramptoni                                6.9 m   6.3 t     Toarcian
    R. megacephalus            see   Eurycleidus megacephalus
    R. propinquus                               4 m     1.5 t     Hettangian-Toarcian
    R. sp.                                      5.3 m             L.Jurassic
    R. thorntorni
    R. victor                                                     Toarcian
    R. zetlandicus                                                Toarcian
Rhombopholis                                                      M.Triassic
    R. scutulatus(scutulata)                   8 cm?              Anisian
Rhynchosaurus                  14 cm           1 m                M-U.Triassic
    R. articeps(artceps)       8 cm            54 cm              Anisian
    R. brodiei                 14 cm           1 m                M.Triassic
    R. orientalis              see Monjurosuchus orientalis       Tithonian
    R. spenceri                17.5 cm         1.3 m              Anisian
Rhytidodon                     see Rutiodon
    R. rostratus               see Rutiodon rostratus
    R. validus                 see Rutiodon validus
Riabinimus                                                        L.Permian
"Richmond Pliosaur"                                4.9 m          L.Cretaceous
Rikisaurus                                         7.4 m          U.Cretaceous
    R. tehoensis               see   Moanasaurus                  Campanian-Maastrichtian
Rikkisaurus                                                       U.Cretaceous
    R. tehoensis               see Moanasaurus                    Campanian-Maastrichtian
Rileya                         Occupied, see Rileyasuchus
    R. bristolensis            occupied, see Rileyasuchus bristolensis
Rileyasuchus                   presently considered a dinosaur
    R. bristolensis                                            M.Triassic
Riojasuchus                                     3 m?           U.Triassic
    R. tenuiceps(tenuisceps)   25 cm            122 cm         Norian-Rhaetian
Rjabininus                                                     U.Permian
Romeria                                                        L.Permian
    R. sp.
    R. texana                                                     Sakmarian-Artinskian
Rothaniscus                    possibly   Rothianiscus            M.Permian
Rothianiscus                                                      L-U.Permian
    R. multidonta                                                 L-U.Permian
Rothia                         see   Rothianiscus                 M.Permian
    R. multidonta              see   Rothianiscus    multidonta   L-U.Permian
Rothioniscus                     see Rothianiscus
Rubricacaecilla                                                 L.Cretaceous
Russellosaurus
Ruthiromia                                                      U.Pennsylvanian-L.Permian
    R. elcobriensis                                             U.Pennsylvanian-L.Permian
Rutiodon                         155 cm           7.8 m?        U.Triassic
    R. adamanensis               possibly not a phytosaur       Carnian
    R. andersoni                 86 cm            4.3 m?        U.Triassic
    R. buceros                   81 cm            4 m?          U.Triassic
    R. carolinensis              70 cm?                         Carnian-Norian
    R. crosbiensis               86 cm            4.3 m?        Carnian
    R. doughtyi                                                 U.Triassic
    R. gregorii                  155 cm           7.8 m?        Carnian-Norian
    R. imperfecta                112 cm           5.6 m?        U.Triassic
    R. leai                                                     U.Triassic
    R. lepturus                                                 Carnian
    R. lithodendrorum                                           U.Triassic
    R. manhattanensis                                           Norian
    R. pennsylvanicus?                                          U.Triassic
    R. pristinus                                                U.Triassic
    R. rostratus                                                U.Triassic
    R. rutimeyeri                102 cm?                        Rhaetian
    R. scolopax                                                 U.Triassic
    R. serridens                                                L.Triassic
    R. sp.                                        2.5 m         Carnian
    R. sp.                                                      Rhaetian
    R. studeri                   89 cm            4.5 m?        U.Triassic
    R. tenuis                                                   U.Triassic
    R. validus                   117 cm           5.9 m?        U.Triassic
    R. zunii                                                    U.Triassic
Sakurasaurus                                                    L.Cretaceous
    S. shokawensis                                              L.Cretaceous
Saltoposuchus                    see Crocodylia Index
Saltopus                                          58 cm         U.Triassic
Samaria                                                         L.Triassic
    S. concinna                                                 Olenekian
Sanchiaosaurus                                                  M.Triassic
    S. dengi                     15 cm?           115 cm?       Anisian-Ladinian
Sanchuansaurus                                                  U.Permian
Sangiorgiosaurus                 see Phalarodon or Mixosaurus
    S. kuhnschnyderi             see Mixosaurus kuhnschnyderi   M.Triassic
Saniwa                                            2.15 m+       M.Paleocene-Oligocene
    cf. S. sp.                                                  Torrejonian
    cf. S. sp.                                                  Wasatchian
    S. aff. Ensidens                                            U.Paleocene
    S. agilis                                     60 cm?        Bridgerian
    S. australis                 nomen dubium                   Arikareean
    S. brooksi                                                  U.Eocene
    S. cf. Ensidens                                             Wasatchian
    S. crassa(crassus,crassas)                    1.5 m?        Bridgerian
    S. ensidens(edsodens,edsidens10.6 cm          1.8 m?        Wasatchian-Bridgerian
    S. feisti                                                    Lutetian
    S. grandis                                      2.15 m+      Wasatchian-Bridgerian
    S. leptodus                  see   Saniwa   ensidens         Bridgerian
    S. major                     see   Saniwa   crassa           Bridgerian
    S. orsmaelensis                                              Ypresian
    S. paucidens                                     122 cm?     Bridgerian-Uintan
    S. sp.                                                       L.Eocene-M.Oligocene
Saniwides                                                        U.Cretaceous
    S. mongoliensis              4.5 cm                          Campanian
Sanjuansauro
Santaisaurus                     1.5 cm                          L.Triassic
    S. yuani                                                     L.Triassic
Sapheosaurus                     2.7 cm              46 cm?      U.Jurassic
    S. sp.
    S. thiollieri(thiollierei)   2.7 cm              70 cm       U.Jurassic
Sarmatosuchus                                                    M.Triassic
    S. otschevi                  17 cm+                          Anisian
Sauranodon                       see Sapheosaurus                U.Jurassic-L.Cretaceous
    S. discus                    see Baptanodon discus           U.Jurassic
    S. natans                    see Baptanodon natans           U.Jurassic
Saurillodon                                                      U.Jurassic
    S. henkeli                   1 cm?                           Kimmeridgian
    S. proraformis                                               Kimmeridgian
Saurillus                                                        U.Jurassic
    S. henkeli                   see   Saurillodon    henkeli
    S. obtusus                                                   Kimmeridgian
    S. proraformis               see   Saurillodon proraformis
    S. robustidens               see   Paramacellodus oweni
Sauriscus                        see   Estescincosaurus          U.Cretaceous
    S. cooki                     see   Estescincosaurus cooki    Campanian
    S. sp.                                                       Campanian
Sauromalus                                                       L.Pleistocene-Recent
    S. after
    S. obesus                    living Chuckwalla               Irvingtonian-Recent
Sauromorus                       see Ophisaurus
    S. ambiguus                  nomen dubium                    L.Miocene
    S. lacertinus                nomen dubium                    L.Miocene
Saurophidium                     see Pleurosaurus
Saurophis                        nomen dubium                    U.Pleistocene
    S. crassus                   nomen dubium                    U.Pleistocene
Saurorictus                                                      U.Permian
    S. australis                 2.2 cm                          Tatarian
Saurosphargis                                                    M.Triassic
    S. voltzi                                                    Anisian
Saurosternon                                     15 cm?          U.Permian-L.Triassic
    S. baini(bainii)                             8 cm?           U.Permian
    S. griesbachi                see Heleosuchus griesbachi
Saurosternum                     see Sclerosaurus?
Saurosuchus                      76 cm  138 cm 7 m      2 t      U.Triassic
    S. galilei                                   7 m    2 t      Carnian
    S. sp.                                                       Carnian
Scalaposaurus           see   Scaloposaurus
Scandensia
Scanisaurus                                            U.Cretaceous
    S. nazarowi                                        Senonian
Scaphonychimus          see Scaphonyx
    S. eurychorus       see Scaphonyx fischeri?
Scaphonyx               94 cm?           5.5 m         M-U.Triassic
    S. australis        see Scaphonyx fischeri?
    S. fischeri         see Hyperodapedon sanjuanensis
    S. sanjuanensis     see Hyperodapedon sanjuanensis
    S. sulcognathus                                    Carnian
Scelerosaurus           see Sclerosaurus
    S. armatus          see Sclerosaurus armatus
Sceloporus                                             U.Miocene-Recent
    S. cf. Clarki                                      Holocene
    S. cf. Jarrovi                                     Holocene
    S. cf. Magister                                    U.Miocene-Holocene
    S. cf. Robustus                                    U.Pliocene
    S. cf. Undulatus                                   Rancholabrean-Holocene
    S. cf. Variabilis                                  Rancholabrean
    S. graciosus        living Sagebrush Lizard        Rancholabrean-Recent
    S. holmani          see Phrynosoma holmani
    S. jarrovi          living Mountain Spiny Lizard   Rancholabrean-Recent
    S. magister         living Desert Spiny Lizard     Blancan-Recent
    S. nr. Undulatus                                   Hemphillian
    S. occidentalis     living Western Fence Lizard    Rancholabrean-Recent
    S. olivaceous       living Texas Spiny Lizard      U.Pliocene-Recent
    S. poinsetti        living Crevice Spiny Lizard    Rancholabrean-Recent
    S. robustus         9 mm?                          U.Blancan
    S. sp.                                             Hemphillian
    S. sp.                                             Barstovian
    S. sp.                                             Arikareean-Rancholabrean
    S. undulatus        living Eastern Fence Lizard    Blancan-Recent
    S. variabilis       living Rosebelly Lizard        Rancholabrean-Recent
Scelotes                                               U.Pleistocene-Recent
    S. sp.                                             Rancholabrean
Scenodon                see Thalattosaurus
    S. perrini          see Thalattosaurus perrini
Scharschengia                                          L.Triassic
    S. enigmatica                                      Olenekian
    S. sp.                                             Induan-Olenekian
Schilleria                                             M.Jurassic
Scleromochlus                            25 cm         U.Triassic
    S. taylori                           25 cm         Carnian
Sclerosaurus                                           L.Triassic
    S. armatus                           50 cm?        L.Triassic
Scoliomus               see Sphenacodon                L.Permian
    S. puercensis       see Sphenacodon ferox          L.Permian
Scoloparia                                             U.Triassic
    S. glyphanodon      4.8 cm?                        U.Triassic
Scutosaurus             43 cm            3 m           U.Permian
    S. carpinski               see Scutosaurus karpinskii     Tatarian
    S. itilensis               see Scutosaurus karpinskii     Tatarian
    S. karpinskii(karpinsky)   50 cm           3 m            Tatarian
    S. permiana(permianus)     see Scutosaurus karpinskii     Tatarian
    S. rossicus                see Deltavjatia vyatkensis     Tatarian
    S. tuberculatus            see Scutosaurus karpinskii     Tatarian
Scythosuchus                                                  L.Triassic
    S. basileus                                               L.Triassic
Secodontosaurus                                  2.5 m        L.Permian
    S. longiramus              possibly   S. obtusidens       Wolfcampian
    S. obtusidens              29 cm?                         Wolfcampian
    S. sp.                                                    Leonardian
    S. willistoni                                             Leonardian
Secondontosaurus               see Secodontosaurus
    S. obtusidens              see Secodontosaurus obtusidens
Seeleyosaurus                  see Plesiosaurus
    S. holzmadensis            see Plesiosaurus guilelmiimperatoris
Seemania                       possibly Ticinosuchus          L.Triassic
    S. palaeotriadica          possibly Ticinosuchus ferox, nomen dubium
Selmasaurus                                                   U.Cretaceous
    S. russelli                                               Campanian
Serpianosaurus                                                M.Triassic
    S. mirigiolensis                            67 cm?        Anisian-Ladinian
Shansisaurus                   see Shihtienfenia              U.Permian
    S. xuecunensis             see Shihtienfenia permica      U.Permian
Shanshisuchus                  see Shansisuchus
    S. shansisuchus            see Shansisuchus shansisuchus
Shansisuchus                                    4 m           L.Triassic
    S. heiyuekouensis                                         L.Triassic
    S. kuyeheensis                                            Olenekian
    S. shansisuchus            62 cm? 89 cm? 3.2 m?           Olenekian
Sharovipteryx                                   24 cm?        U.Triassic
    S. mirabilis               1.7 cm           20 cm         Norian
Sharovisaurus                                                 U.Jurassic
Shastasaurus                                                  U.Jurassic
    S. altispinus              see Shastasaurus pacificus     Carnian
    S. alexandrae              see Shastasaurus pacificus     Carnian
    S. careyi                                   10 m   10.2 t U.Triassic
    S. carinthiacus            indeterminate material         Carnian
    S. cf. Sp.                                                Triassic
    S. neoscapularis           45 cm            2 m           Norian
    S. neubigi                 60 cm?           3 m           Anisian
    S. nordensis               indeterminate material         Ladinian
    S. osmonti                 see Shastasaurus pacificus     Carnian
    S. pacificus                                              Carnian
    S. perrini                 see Californosaurus perrini    Carnian
    S. sieversi                indeterminate material         Norian
    S. sp.                     see Cymbospondylus             M.Triassic
Shihtienfenia                                                 U.Permian
    S. permica                                                U.Permian
Shingyisaurus                                                 M.Triassic
    S. unexpectatus(unexpectus) see Nothosaurus?                Anisian
Shinisauroides                                                  U.Cretaceous
    S. latipalatum                                              U.Cretaceous
Shonisaurus                      3.7 m?          15.4 m 41 t    U.Triassic
    S. mulleri                                                  U.Triassic
    S. popularis                 3 m             15.4 m 31 t    Carnian
    S. silberlingi                               12 m    15 t   U.Triassic
    S. tingjiensis                               10 m?          Norian
Shuvosaurus                                                     U.Triassic
    S. inexpectatus                                             Norian
Sigmala                                                         U.Triassic
    S. sigmala                                                  Rhaetian
Sillosuchus                                      3 m            U.Triassic
    S. longicervix                                              Carnian
Silvestrosaurus                                                 M.Triassic
    S. buzzi                     see Lariosaurus buzzii         Anisian-Ladinian
Simbirskiasaurus                                                L.Jurassic
    S. birjukovi                 Platypterygius birjukovi       Hauterivian
Simila                                                          U.Triassic
Simoedosaurus                                                   U.Cretaceous-Eocene
    S. dakotensis(dakodensis)    70 cm                          U.Paleocene
    S. lemoinei                                                 Thanetian
    S. sp.
Simolestes                       82 cm           6.15 m         U.Jurassic
    S. indicus                                                  Tithonian
    S. keileni                                                  Bajocian
    S. nowackianus                                              U.Jurassic
    S. vorax                     74 cm           6.15 m         Callovian
Simosaurus                       22.5 cm         4 m?           M-U.Triassic
    S. cf. Gaillardoti                                          Ladinian
    S. gaillardoti               22.5 cm         4 m?           Ladinian-Norian
    S. guiliemi                  see Simosaurus gaillardoti
    S. g. var. angusticeps       see Simosaurus gaillardoti
    S. mougeoti                                                 Anisian-Ladinian
    S. pusillus                  see Neusticosaurus pusillus
Sineoamphisbaena                                                U.Cretaceous
    S. hexatabularis(hexatabalaris)                             U.Cretaceous
Sinohydrosaurus                  see Hyphalosaurus              U.Jurassic
    S. lingyuanensis             see Hyphalosaurus lingyuanensis
Sinopliosaurus                                                  U.Jurassic
Sinosaurus                                                      L.Jurassic
    S. sp.
Sironectes                       see Platecarpus                U.Cretaceous
Slavoia                                                         U.Cretaceous
    S. darevskyi(darevskii)      2.4 cm                         U.Cretaceous
Smilodon                         preoccupied, see Carnivora Index
    S. laevis                    see Zanclodon laevis           U.Triassic
Smilosuchus                                      12 m           U.Triassic
    S. gregorii                                                 Carnian
Socognathus                                                     U.Cretaceous
    S. unicuspis                                                U.Cretaceous
Spathorhynchus                2.5 cm           30 cm         M.Eocene-L.Oligocene
    S. fossorium(fossium)                                    Bridgerian
    S. natronicus                                            Chadronian
Sphaerodactylus                                              U.Pleistocene-Recent
    S. dommeli                                               U.Pleistocene
    S. sp.                                     4.5 cm?       U.Pleistocene
Sphaerodontes                 a Fish                         Jurassic
    S. caroli                 a Fish                         Oxfordian
Sphenacodon                                    3 m           L.Permian
    S. britannicus                                           Autunian
    S. ferocior               39 cm                          L.Permian
    S. ferocir                see Sphenacodon ferocior
    S. ferox                  30 cm  57 cm? 1.8 m?           L.Permian
Sphenodon                     2.8 cm                         L.Pleistocene-Recent
    S. diversum
    S. punctatus(reischeki)                                  Recent
    S. sp.
Sphenomorphus                                                Pleistocene-Recent
Sphenosaurus                  see   Amphibia Index           L.Permian
Sphenosiagon
Sphodrosaurus                                                U.Triassic
    S. pennsylvanicus                          28 cm?        U.Triassic
Spinoaequalis                                                U.Pennsylvanian
    S. schultzei                                             U.Pennsylvanian
Spinosuchus                                    2.2 m         U.Triassic
    S. caseanus                                2.2 m         U.Triassic
Spondylestes                  see Spondylolestes?            L.Triassic
Spondylolestes                                               L.Triassic
    S. rubidgei                                              L.Triassic
Spondylosaurus                see Pliosaurus                 U.Jurassic
    S. fahrenkohli            indeterminate material         Tithonian
    S. frearsi(frearsii)      see Pliosaurus brachyspondylus?
Staganolepis                  see Stagonolepis
    S. robertsoni             see Stagonolepis robertsoni
Stagenolepis                  see Stagonolepis
Stagonolepis                  27 cm            3 m    200 kg U.Triassic
    S. robertsoni                              2.7 m  200 kg Carnian
    S. scagliai                                2.5 m         Carnian
    S. wellesi                                               Carnian
Stagonosuchus                                                M.Triassic
    S. major                                                 M.Triassic
    S. nyassicus              see Stagonosuchus major        M.Triassic
    S. tanganyikaensis        see Stagonosuchus major        M.Triassic
Staurosternon                 see Stereosternum
    S. tuditum                see Stereosternum tumidum
Stegomus                                       1.5 m         U.Triassic
    S. arcuatus               see Aetosaurus arcuatus        U.Triassic
    S. a. jerseyensis         see Aetosaurus arcuatus        U.Triassic
    S. longipes               see Stegomosuchus longipes in Crocodile Index
Stellio                                                      Pleistocene-Recent
    S. stellio                                               Pleistocene
Stelliosaurus                   see   Homoeosaurus
Stenaulorhynchus                                  1.5 m               M.Triassic
    S. major                                                          M.Triassic
    S. stockleyi                see   S. major?                       Anisian
Stenaulorhynchys                see   Stenaulorhynchus
Stenometopon                    see   Hyperodapedon                   U.Triassic
    S. taylori                  see   Rhynchosaurus articeps
Stenopterygius                                    3 m                 L.Jurassic
    S. acutirostris
    S. cuneiceps                                   4 m                L.Jurassic
    S. hauffianus(huaffianus)                      3.4 m              L.Jurassic
    S. longifrons
    S. longipes                                    4 m                L.Jurassic
    S. macrophasma                                                    L.Jurassic
    S. megacephalus                             2.3 m                 L.Jurassic
    S. megalorhinus                             3.5 m                 L.Jurassic
    S. quadriscissus                            3 m                   Tithonian
    S. uniter                   76 cm           2.5 m                 L.Jurassic
Stephanospondylus               see Amphibia Index                    L.Permian
Stereophallodon                                                       L.Permian
    S. ciscoensis                                                     Wolfcampian
Stereorachis                                                          U.Permian
    S. dominans                                                       Stephanian
Stereorhachis                   probably   Stereorachis               U.Pennsylvanian-L.Permian
    S. dominans                 probably   Stereorachis    dominans
Stereosaurus
Stereosternum                   see   Mesosaurus 76 cm                L.Permian
    S. sp.                                                            L.Permian
    S. tumidum(tumidus)         see   Mesosaurustumidus               Artinskian
Sthenarosaurus                                  3 m                   L.Jurassic
    S. dawkinsi                                 3 m                   Toarcian
Stretosaurus                    see Liopleurodon                      U.Jurassic
    S. macromerus               see Liopleurodon macromerus           Kimmeridgian
Stricosuchus                    Strigosuchus
    S. licinus                  see Strigosuchus licinus
Strigosuchus                    see Crocodylia Index                  L.Jurassic
Strongylokrotaphus              98 cm?          6.15 m                U.Jurassic
    S. irgisensis               see Pliosaurus irgisensis             Tithonian
Stypodontosaurus                                                      U.Cretaceous
Styxosaurus                     53 cm           10.15 m               U.Cretaceous
    S. browni                   see Hydralmosaurus serpentinus
    S. snowii                   53 cm           10.15 m        Santonian-Campanian
    S. sp.                                                     Santonian-Campanian
Succinilacerta                                                 M.Eocene
    S. succinea                                 4 cm
Suchoprion                      see Nicrosaurus & Palaeoctonus
    S. aulacodus                see Palaectonus aulacodus
    S. cyphodon                                                Carnian
    S. sulcidens                                               Carnian
Suevoleviathan                                                 L.Jurassic
    S. disinteger                               4.3 m          Toarcian
Sulcatidens                                                M.Miocene-Recent
Sulcusuchus                                                U.Cretaceous
    S. erraini                           4 m?              Campanian-Maastrichtian
Supradapedon
Svalbardosaurus                                            L.Triassic
    S. crassidens        indeterminate material            L.Triassic
Swainiguanoides                                            M.Paleocene-L.Eocene
    cf. S. milleri                                         Wasatchian
    S. cf. Milleri                                         Wasatchian
    S. milleri           1 cm                              Torrejonian-Wasatchian
    S. piger                                               Torrejonian
Taiyania                                                   U.Permian
    T. simplicidentata                                     U.Permian
Tamaulipasaurus                                            L-M.Jurassic
    T. morenoi           1.8 cm?                           L-M.Jurassic
Tanaisosaurus                                              L.Triassic
    T. kalandadzei                                         Scythian
Tangasaurus                                                U.Permian
    T. mennelli                                            U.Permian
Taniwhasaurus            114 cm          12.3 m?           L-U.Cretaceous
    T. haumuriensis      114 cm          9.2 m?            Maastrichtian
    T. oweni             50 cm           6.15 m?           Maastrichtian
Tanystropheus                            10.8 m?           L-M.Triassic
    T. antiquus                                            M.Triassic
    T. bauri             a Dinosaur, Coelophysis   bauri
    T. conspicuus                                       L-U.Triassic
    T. fossai                                           Norian
    T. longbardicus      see Tanystropheus longobardicus
    T. longicollis       a Dinosaur, Coleophysis longicollis
    T. longobardicus                      4.6 m         M.Triassic
    T. meridensis                                       M.Triassic
    T. posthumus         see Tanystrosuchus posthumus?
    T. willistoni        a Dinosaur, Coelophysis willistoni
Tanystropheus            probably Tanystropheus
    T. antiquus          probably Tanystropheus antiquus
    T. posthumus         probably Tanystropheus posthumus
Tanytrachelos                             60 cm?        U.Triassic
    T. ahynis                             30 cm         Carnian
    T. sp.                                              Triassic
Taphrosaurus                                            U.Cretaceous
    T. lockwoodii        indeterminate material         U.Cretaceous
Tapinosaurus
Tarentola                                                  U.Pleistocene-Recent
    T. americana                                           Rancholabrean
Tarjadia                                                   M.Triassic
    T. ruthae                                              Anisian-Ladinian
Tasmaniosaurus           20 cm           122 cm            L-U.Triassic
    T. triassicus        20 cm                             Carnian
Tatenektes                                                 U.Jurassic
Taurocephalus                                              U.Permian
Tchingisaurus                                              U.Cretaceous
    T. multivagus                                               U.Cretaceous
Tchoiria                                                        L.Cretaceous
    T. egloni                    see Irenosaurus egloni
    T. magnus                    see Ikechosaurus magnus
    T. namsarai                  35 cm?                         Aptian
Teilhardosaurus                                                 U.Jurassic-L.Cretaceous
    T. carbonarius                                              U.Jurassic-L.Cretaceous
Tejus                                                           Pampean?
    T. cf. Tequixis                                             Pampean?
    T. tequixis                                                 Pampean?
Teleocrater                                                     M.Triassic
Telerpedon                       see Leptopleuron
Telerpeton                       see Leptopleuron               M.Triassic
    T. elginense                 see Leptopleuron lacertinum
Telmasaurus                      13 cm?          122 cm         U.Cretaceous
    T. grangeri                  7 cm?                          Campanian
Temnodontosaurus                 2 m             9.2 m          L.Jurassic
    T. burgundiae                possibly Leptopterygius burgundiae
    T. eurycephalus              95 cm           4.4 m?         Sinemurian
    T. longirostris                                             L.Jurassic
    T. nuertingensis                                            L.Jurassic
    T. platyodon                 2 m             9 m            Sinemurian
    T. risor                     see Temnodontosaurus platyodon
    T. trigonodon                                7 m?
Tepexisaurus                                                    L.Cretaceous
    T. tepexii                                                  Albian
Teraterpeton                                                    U.Triassic
    T. hrynewichorum             20 cm                          Carnian
Teratophon                                                      L.Triassic
    T. spinigenis                                               L.Triassic
Teratosaurus                             3.4m H 6.15 m          U.Triassic
    T. lloydi                            2.3m h 6.15 m          U.Triassic
    T. suevicus(saevicus)        see Teratosaurus lloydi        U.Triassic
Teretocnemus                                                    U.Triassic
    T. californicus
    T. zitteli                                   3 m            U.Triassic
Termatosaurus                                                   U.Triassic
Terminonatator                   27 cm           7 m?           U.Cretaceous
    T. ponteixensis              27 cm           7 m?           Campanian
Tetraceratops                    see Therapsid Index            L.Permian
Tetralophosaurus                                                L.Miocene
    T. minutus                   see Dipsosaurus cf. Dorsalis   L.Miocene
Thadeosaurus                     3.8 cm          60 cm          U.Permian
    T. colcanapi                 3.8 cm 7 cm?    60 cm          U.Permian
Thaisaurus                                                      L.Triassic
    T. chonglakmanni(chonglakmanii)                             L.Triassic
Thalassiodracon                  21 cm           2 m            U.Triassic-L.Jurassic
    T. hawkinsi                  20 cm           2 m            Rhaetian-Hettangian
Thalassiosaurus                                                 U.Cretaceous
    T. ischiadicus               see Alzadasaurus kansasensis U.Cretaceous
Thalassomedon                    47 cm           12.3 m         U.Cretaceous
    T. haningtoni(hanningtoni)   47 cm           12.3 m             Cenomanian
    T. haringotni                see Thalassomedon haningtoni
Thalassonomosaurus                                                  U.Cretaceous
    T. marshi(marshii)           see   Styxosaurus    snowi & Styxosaurus sp.
    T. nobilis
Thalattosaurus                   30 cm               2.15 m?        M-U.Triassic
    T. alexandrae                                                   U.Triassic
    T. perrini
    T. shastensis
Thaumastosaurus                  actually an Amphibian, see Appropriate Index
Thaumatosaurus                   36 cm            3.4 m          L.Jurassic
    T. calloviensis              indeterminate material          Callovian
    T. cramptoni                                                 Toarcian
    T. mosquensis                see Liopleurodon ferox?         Oxfordian-Kimmeridgian
    T. oolithicus
    T. victor                    see     Rhomaleosaurus   victor    L.Jurassic
Thecadactylus                                                       U.Pleistocene
    T. rapicauda                                                    U.Pleistocene-Recent
Thelagnathus                     probably     Thelegnathus
Theledectes                                                         L.Triassic
    T. perforatus                                                   L.Triassic
Thelegnathus                     see Microthelodon                  L.Triassic
    T. browni                    nomen dubium                       L.Triassic
    T. contritus                 see Thelephon contritus            L.Triassic
    T. oppressus                 see Thelerpeton oppressus          L.Triassic
    T. parvus                    see Microtheledon parvus           L.Triassic
    T. perforatus                see Theledectes perforatus         L.Triassic
    T. spinigenis                see Teratophon spinigenis          L.Triassic
Thelephon                                                           L.Triassic
    T. contritus                                                    L.Triassic
Thelerpeton                                                         L.Triassic
    T. oppressus                                                    L.Triassic
Theretairus                      see   Opisthias                    U.Jurassic
    T. antiquus                  see   Opisthias sp.                Purbeckian
Theropleura                      see   Ophiacodon or Dimetrodon
    T. grandis                   see   Dimetrodon grandis           L.Permian
    T. obtusidens                see   Dimetrodon obtusidens        L.Permian
    T. retroversa                see   Ophiacodon retroversus       L.Permian
    T. triangulata               see   Theropleura retroversa       L.Permian
    T. uniformis                 see   Poliosaurus uniformis        L.Permian
Theropleurus                     see   Ophiacodon or Dimetrodon
    T. grandis                   see   Diopeus grandis?             Leonardian
Therosaurus                      see   Ophiacodon                   L.Permian
    T. watsoni                   see   Ophiacodon retroversus       Wolfcampian
Thinosaurus                      see   Saniwa
    T. agilis                    see   Saniwa agilis
    T. crassus                   see   Saniwa crassa
    T. grandis                   see   Saniwa grandis
    T. leptodus                  see   Saniwa ensidens
    T. paucidens                 see   Saniwa paucidens
Tholodus                                                            M.Triassic
    T. schmidii(schmidi                                    M.Triassic
Thoracophis               see     Ophisaurus
    T. rugosus            see     Ophisaurus    rugosus
Thrausmosaurus                                             L.Permian
    T. serratidens                                         L.Permian
Thuringothyris                                             L.Permian
    T. mahlendorffae                                       L.Permian
Thyrus
    T. bojeri             see Gongylomorphus bojeri
Tibetosaurus              see Shonisaurus 10 m?            U.Triassic
    T. tingjiensis        see Shonisaurus tingjiensis      Norian
Tichvinskia                                                L.Triassic
    T. burtensis          see Burtensia burtensis
    T. enigmatica         3 cm?
    T. jugensis           3 cm?                            Olenekian
    T. majmesculae        see Kapes majmesculae
    T. sp.                                                 Olenekian
    T. vjatkensis         3 cm?                 19 cm?     Olenekian
Ticinosuchus                                    3 m        M.Triassic
    T. ferox              29 cm?     55 cm?     2.5 m      Anisian-Ladinian
Tijubina                                                   L.Cretaceous
    T. pontei                                              L.Cretaceous
Tikisaurus                possibly    Tikisuchus?
    T. romeri             possibly    Tikisuchus romeri?
Tikisuchus                                                 M-U.Triassic
    T. romeri                                              Carnian
Tiliqua                                                    Miocene-Recent
Timanophon                                                 L.Triassic
    T. burtensis
    T. raridentatus       3 cm?                            Olenekian
Tingitana                                                  L.Cretaceous
    T. anoualae           1 cm?                            Berriasian
Tinosaurus                                                 M.Paleocene-U.Eocene
    T. asiaticus                                           Bartonian
    T. cf. Stenodon                                        U.Eocene
    T. doumuensis         2 cm?                            M.Paleocene
    T. europeocaenus                                       Ypresian
    T. lepidus            see Tinosaurus        stenodon   Wasatchian
    T. lushihensis        1.2 cm?                          M.Eocene
    T. pristinus                                           Bridgerian
    T. sp.                                                 Ypresian
    T. stenodon                                            Bridgerian
Tomicosaurus              see     Araeoscelis              L.Permian
    T. sp.                                                 L.Permian
Toretocnemus                                               U.Triassic
    T. californicus                                        Carnian
    T. zitteli                                             Carnian
Toxolophosaurus                                            L.Cretaceous
    T. cloudi                                              L.Cretaceous
    T. sp.
Trachelosaurus                                             L.Triassic
    T. fischeri                           1.3 m         Scythian
Trachyderma             see   Heloderma
    T. horridum         see   Heloderma   horridum
Trachydosaurus                                          Cretaceous-Recent
    T. rugosus
    T. sp.                                              Cretaceous
Trachysaurus            see   Trachydosaurus
Tremamesacleis          see   Muraenosaurus             U.Jurassic
    T. playclis         see   Muraenosaurus platyclis
Trentinosaurus          see   Tridentinosaurus
Tribelesodon            see   Tanystropheus             M.Triassic
    T. longobardicus    see   Tanystropheus longobardicus
Trichasaurus                                            L.Permian
    T. cf. Sp.                                          Leonardian
    T. texensis                                         L.Permian
Tricleidus              24 cm             3 m           M-U.Jurassic
    T. laramiensis                                      Jurassic
    T. seeleyi          24 cm             3 m           Callovian
Tricuspisaurus                                          U.Triassic
    T. thomasi                                          Norian
Tridentinosaurus                          30 cm         L.Permian-L.Triassic
    T. antiquus                           30 cm         L.Permian
Trilophosaurus          12 cm             2 m?          U.Triassic
    T. buettneri        12 cm             122 cm        Norian
    T. jacobsi                                          Carnian
    T. sp.                                              Carnian
Trimacromerum           see Dolichorhynchops
Trinacromerum           89 cm?            5 m?          M-U.Cretaceous
    T. anonymum         see Trinacromerum bentonianum
    T. bentonianum      53 cm             3 m           Cenomanian
    T. bonneri          see Dolichorhynchops osborni
    T. cf. Browni                                       Cretaceous
    T. kirki                                            Turonian
    T. osborni          see Dolichorhynchops osborni
    T.. Willistoni      see Trinacromerum bentonianum
Trogonophis                                             U.Pliocene-Recent
    T. darelbeidae      5 mm                            U.Pliocene
Trucuspisaurus          see Tricuspisaurus?             U.Triassic
Tsylmosuchus                                            M.Triassic
    T. donensis                                         Olenekian
    T. jakovlevi                                        Olenekian
    T. samariensis                                      Olenekian
    T. sp.                                              Olenekian
Tuarangisaurus          37 cm             9.2 m         U.Cretaceous
    T. cabazai                                          Maastrichtian
    T. keysi(keyesi)    37 cm             9.2 m         Campanian-Maastrichtian
Tupinambis                                              U.Oligocene-Recent
    T. brevirostris     see Tupinambis preteguixin
    T. huilensis                                        U.Miocene
    T. multidentatus    see Tupinambis preteguixin
    T. nigropunctatus
    T. onyxodon         see   Tupinambis   preteguixin
    T. paranensis                                        U.Blancan
    T. prerufescens     see   Tupinambis   preteguixin
    T. preteguixin                                       U.Blancan-L.Irvingtonian
    T. sp.                                               U.Oligocene-Pleistocene
    T. teguixin         living   Common Tegu             Rancholabrean-Recent
Turfanosuchus                             1.2 m?         L.Triassic
    T. dabanensis       13 cm?            1.2 m?         Olenekian
    T. shageduensis                                      Olenekian
Turneria                see Morturneria                  U.Cretaceous
    T. seymourensis     see Morturneria seymourensis     Maastrichtian
Tylosaurus              2 m?            17.2 m?          U.Cretaceous
    T. dispar                           8 m              U.Cretaceous
    T. dyspelor                         10.6 m           U.Cretaceous
    T. haumuriensis     see Taniwhasaurus haumuriensis
    T. ivoensis                                          Campanian
    T. laticaudus                                        U.Cretaceous
    T. micromus         see Tylosaurus prorigor          U.Cretaceous
    T. nepaeolicus      64 cm          7.4 m             Coniacian
    T. n.sp.
    T. perlatus                                          U.Cretaceous
    T. prorigor         1.8 m              15.4 m        Santonian-Campanian
    T. rhiphalus                                         Campanian
    T. sp.                                               Campanian
    T. validus                                           U.Cretaceous
    T. zangerli
Tylosteus               is actually a Dinosaur
Typhlops                is a snake, see Snake Index
    T. edwardsi         see Omoiotyphlops edwardsi
Typothorax                               3.7 m        L-U.Triassic
    T. cf. Coccinarum                                 Triassic
    T. coccinarum                                     L-U.Triassic
    T. meadei           see Longosuchus meadei        U.Triassic
    T. sp.                                            Triassic
Uatchitodon                                           U.Triassic
    U. kroehleri                                      Carnian
Undorosaurus                                          U.Jurassic
    U. gorodischensis                                 Tithonian
    U. khorlovensis     see Undorosaurus sp.          Tithonian
    U. nessovi          see Undorosaurus gorodischensis
    U. sp.                                            Tithonian
Uralosaurus                                           M.Triassic
    U. magnus                                         Anisian
Uromastyx                                             U.Eocene-Recent
    U. europaeus        nomen dubium                  U.Eocene-L.Oligocene
    U. spinipes                                       U.Pleistocene-Holocene
Uronautes                                             U.Cretaceous
Urosaurus                                             Recent
    U. cf. Graciosus                                  Holocene
    U. ornatus          living Tree Lizard            Holocene-Recent
Uta                                                   Pleistocene-Recent
    U. stansburiana       living Side-blotched Lizard     Blancan-Recent
Utatsusaurus                               3 m?           L.Triassic
    U. hataii                              1.5 m          L.Triassic
    U. sp.
Vallesaurus                                               U.Triassic
    V. cenensis                                           Norian
Varannosaurus             see   Varanosaurus
Varanodon                                                 L.Permian
    V. agilis                                             L.Permian
Varanops                                      1 m         L.Permian
    V. brevirostris       11 cm?    20 cm?    85 cm?      L.Permian
Varanosaurus                                  1.5 m       L.Permian
    V. acutirostris       14.5 cm                         L.Permian
    V. sp.                                                Leonardian
    V. wichitaensis       possibly V. acutirostris        L.Permian
Varanus                                                   Miocene-Recent
    V. atticus            see   Varanus   marathonensis
    V. bolkayi                                            Pliocene-U.Pleistocene
    V. cayluxi(cayluxy)   see   Necrosaurus    cayluxi
    V. cf. Bengalensis                                    Pleistocene
    V. cf. Hofmanni                                       Burdigalian-Helvetian
    V. deserticolus       see Ophisaurus pannonicus
    V. dirus              see Megalania prisca            Pleistocene
    V. emeritus           nomen dubium                    Pleistocene
    V. hofmanni                                           Vindobonian
    V. hooijeri                                           Holocene
    V. lemanensis         see Anguis lemanensis
    V. lemoinei           specimen belongs to a turtle    Ypresian
    V. marathonensis                                      Pliocene-U.Pleistocene
    V. margariticeps      see Placosaurus margariticeps
    V. niloticus          living Nile Monitor           Pleistocene-Recent
    V. prisca(priscus)    see Megalania prisca
    V. rusingensis                         2 m?         Burdigalian
    V. sivalensis         indeterminate material        L.Pliocene-Pleistocene
    V. sp.                                              L.Miocene-Holocene
    V. warburtonensis     see Megalania prisca
Variodens                                               U.Triassic
    V. inopinatus                                       U.Triassic
Venaticosaurus                                          U.Triassic
    V. rusconii                            2 m          Carnian
Venaticosuchus                                          U.Triassic
    V. rusconii                            3 m          Carnian
Vinialesaurus                                           U.Jurassic
    V. caroli                                           Oxfordian
Vitalia                                                 L.Triassic
    V. grata                                            Olenekian
Vjushkovia                                              L-M.Triassic
    V. shiguaiensis                                     Olenekian
    V. sinensis                                         Anisian
    V. triplicostata      see Garjainia triplicostata   Olenekian
Vjushkovisaurus                                         M.Triassic
    V. berdjanensis                                     Anisian
    V. sp.
Vonhuenia                                               L.Triassic
    V. friedrichi                                       Induan
Vytshegdosuchus                                         L.Triassic
    V. zheshartensis                                    Olenekian
Wangisuchus                                             L.Triassic
    W. tzeyii                                           Olenekian
Wapitisaurus                                            L.Triassic
    W. problematicus                                    L.Triassic
Weigeltisaurus                               50 cm      U.Permian
    W. jaekeli                                          U.Permian
Westlothiana                                 30 cm?     M.Mississippian
    W. lizziae                               20 cm      Visean
Wimanius                                                M.Triassic
    W. odontopalatus                                    Anisian-Ladinian
Winfieldia              see     Ophiacodon              L.Permian
    W. hilli            see     Ophiacodon   hilli      L.Permian
Woodbinesuchus                                          Cretaceous
    W. byersmaurici                                     Cretaceous
Woolungasaurus          43 cm                10.15 m    L-U.Cretaceous
    W. glendowerensis   42 cm                9.5 m      Albian
    W. sp.                                              Cretaceous
Xantusia                                                U.Miocene-Recent
    X. downsi                                           Blancan-Irvingtonian
    X. vigilis          living Desert Night Lizard      U.Miocene-Recent
Xemus?                  see Tichvinskia                 L.Triassic
    X. efremovi         see Tichvinskia jugensis        L.Triassic
Xenodiphyodon                                           U.Triassic
    X. petraios         1 cm?                           Carnian
Xenognathus             see Colognathus
    X. obscurus         see Colognathus obscurus        U.Triassic
Xenosuchus              see Caiman, in Crocodylia Index
Xestops                                                 L.Paleocene-M.Eocene
    X. abderhaldeni     see Placosauriops abderhaldeni
    X. cf. Sp.                                          Eocene
    X. gracilis         nomen dubium     60 cm?         Bridgerian
    X. lentus           nomen dubium     60 cm?         Bridgerian
    X. microdus         nomen dubium     60 cm?         Bridgerian
    X. minutus          nomen dubium     20 cm?         Bridgerian
    X. pawneensis       see Parophisaurus pawneensis    Orellan
    X. piercei          see Proxestops piercei
    X. sp.                                              Bridgerian
    X. sp.                                              Eocene
    X. sp.                                              Puercan
    X. stehlini         see Paraxestops stehlini        U.Eocene
    X. vagans                            1 m?           Bridgerian
    X. weigelti         see Placosauriops weigelti      Lutetian
Xihaina                                                 U.Cretaceous
    X. aquilonia                                        Campanian
Xilousaurus
    X. sp.
Xilousuchus                                                   M.Triassic
    X. sapingensis                                            L.Triassic
Xyrospondylus                                                 U.Pennsylvanian
    X. ecordi                                                 U.Pennsylvanian
Yabeinosaurus                               20 cm             U.Jurassic
    Y. tenuis                               20 cm             U.Jurassic
    Y. youngi                               20 cm             U.Jurassic
Yaguarosaurus            55 cm              5.1 m             U.Cretaceous
    Y. colombianus       55 cm              5.1 m             Turonian
Yasykovia                                                     U.Jurassic
    Y. kabanovi          see Paraophthalmosaurus        yasykovi
    Y. mittai            indeterminate material               Tithonian
    Y. sumini            see Paraophthalmosaurus        yasykovi
    Y. yasykovi          see Paraophthalmosaurus        yasykovi
Yezosaurus
    Y. mikasaensis
Yonghesuchus                                                  U.Triassic
    Y. sangbiensis                                            U.Triassic
Youngina                 6.4 cm             30 cm             U.Permian
    Y. capensis          6.4 cm                               Wordian-Capitanian
    Y. gracilis
    Y. romeri                                                 U.Permian
Youngoides               see     Youngina                     U.Permian
    Y. minor                                                  U.Permian
    Y. romeri            11 cm?                               U.Permian
Youngopsis               see Youngina
    Y. kitchingi         9 cm?                                U.Permian
    Y. rubidgei                                               U.Permian
Youngosuchus                                                  M.Triassic
    Y. sinensis          see   Vjushkovia    sinensis         Anisian
Yunnania                                                      L.Jurassic
    Y. brevirostris                                           L.Jurassic
Yuzhoupliosaurus                             4 m              M.Jurassic
    Y. chengjiangensis                       4 m              M.Jurassic
Zanclodon                see     Tanystropheus?               U.Triassic
    Z. arenaceus
    Z. crenatus
    Z. laevis                                                 U.Triassic
    Z. schutzii
    Z. sp.                                                    U.Triassic
Zapatadon                                                     L.Jurassic
    Z. ejidoensis                                             L.Jurassic
Zapatodon                possibly     Zapatadon?
    Z. sp.
Zarcasaurus                                                   L.Permian
    Z. tanyderus                                              L.Permian
Zatomus                                                       U.Triassic
                                 Range
Kazakhstan
Kazakhstan
Canada
Nova Scotia(Cnda)
W USA
Arizona?(US)
Morocco
d'Ahl al Oughlam(Morocco)
S Africa
S Africa
Madagascar

USA
Colorado,Wyoming,Nebraska(US)
Colorado(US)
Florida(US)
Nebraska(US)
Wyoming(US)

W USA
Oklahoma(US)
W USA
New Mexico(US)
Morocco
Morocco

Germany
Italy
Italy

Mongolia,China
Nei Monggol(China)Mongolia



England
England

Adriatic Sea from Slovenia to Croatia
Germany
Germany
S Africa
S Africa
W USA
New Mexico(US)
New Mexico,Texas(US)
Argentina
Argentina
Italy,Greenland,Germany,USA
New Jersey(US)
Germany
Italy,Germany
Germany
France,China,Africa
France
Anhui(China)
La Grive(FRA)
Yugoslavia
Yugoslavia
Yugoslavia




Wyoming(US)
Mongolia
Mongolia
N & S America




Venezuela
Czech Republic
Czech Republic
Brazil,W Indies

Bahamas
Dominican Republic
Puerto Rico
Barbuda,British Leeward Islands
Minas Gerais(Brz)
Dominican Republic
NE Mexico
Monterrey(Mexico)
Australia
Eurhinilla(AU)
E USA
Alabama(US)
Germany
Germany
Austria
Germany
China
Nei Monggol(China)
China
Djadochta(China)



W USA
Texas(US)
Texas(US)
Oklahoma(US)




W USA,Morocco
Wyoming(US)
Texas(US)Africa
Wyoming(US)
Wyoming(US)
Wyoming(US)
Texas(US)Africa?
Morocco
Angola
Angola



S USA,C & S America
Dominican Republic




Europe,S Asia
France
France
Poland,France
England,Russia,Romania,France,Spain
France
France

Czech Republic
Belgium
Germany

China
Anhui(China)
Anhui(China)
Anhui(China)

W USA
Arizona(US)
India
India
Mexico
Tlayua(C Mexico)
W USA
California(US)
S Africa
S Africa
E USA,Mexico,W Indies
Bahamas,Cuba
Barbuda,Antigua,British West Indies
Florida,Georgia(US)Bahamas
Puerto Rico
Dominican Republic
Hispaniola
Puerto Rico
Dominican Republic
Florida(US)Bahamas,Hispaniola
Dominican Republic
Mexico
Cuba
Puerto Rico
Puerto Rico

Cuba
Puerto Rico
Dominican Republic,Haiti
Barbados
Florida(US)Mexico,Bahamas,Cayman Islands,Cuba
Florida(US)
Wallingford Cave(Jamaica)
Puerto Rico,barbuda,Bahamas,British West Indies

Barbuda



Germany
Germany




China
Anhui(China)
China
Guizhou(China)
S Africa,Tanzania,Russia
Kotel'nich(Russia)
S Africa

Tanzania
S Africa
Kotel'nich(Russia)
Kotel'nich(Russia)
S Africa
E USA
Ohio(US)
Ohio(US)
N America
Lebanon
Lebanon
France
France
W USA
California(US)
W USA
Wyoming(US)




Czech Republic
Europe
W USA
Texas(US)
Texas(US)
USA
Illinois(US)
USA
Illinois(US)
England,Siberia
England,Siberia
Canada,E USA
Nova Scotia(Cnda)
Ohio(US)
W USA
Kansas(US)
Canada
Nova Scotia(Cnda)
Russia
Vyazniki(Russia)
China
Xinjiang(China)
Germany
Germany
Solnhofen(Germany)
Germany

Morocco
Morocco
Argentina
Argentina
Ischigualasto(Argentina)
Dominican Republic,Haiti,Jamaica,Bahamas
Dominican Republic,Haiti,Jamaica
Jamaica
Bahamas
Jamaica
Germany
Argentina,Chile,Antarctica
Chubut,Patagonia(ARG),Chile,Antarctica
Chile
W USA
Arizona(US)
W USA
New Mexico(US)
W USA
Wyoming(US)
China,Mongolia
Nei Monggol(China)Mongolia

Texas(US)
W USA
New Mexico(US)
China
China
Switzerland,Italy
Italy
W USA
Oklahoma(US)
England
England
W USA
Nevada(US)
France
France
Morocco
Morocco
W USA
Oklahoma(US)
Mongolia
Mongolia
Bayan Mandahu(China)
USA
Ohio(US)
New Mexico(US)
W USA
Wyoming(US)

Wyoming(US)



USA
New Jersey(US)

New Jersey(US)
Madagascar
Madagascar
Mexico
Mexico

Mongolia
Mongolia

Russia
W Russia
W Russia
W USA
Oklahoma(US)
Germany
Mexico
Yucatan(Mxco)




E Canada
Prince Edward Island(Cnda)
England
England
California(US)




Germany
Germany
Germany
Solnhofen(Germany)
Germany




USA



Spain,Portugal,England
Spain
Portugal,England
Russia
Russia
Belebey(Russia)
Europe,N America
New Mexico(US)
Germany
Germany
Germany

Germany
New Mexico(US)
Texas(US)
Connecticut(US)
Italy
Italy
India
India
W USA
Utah(US)
China
Sichuan(China)
Morocco
d'Ahl al Oughlam(Morocco)

Germany
Russia
Russia
Russia
Spasskoe I(Russia)
Russia
Russia
Russia
W USA,E Europe
Oklahoma(US)
Texas(US)
Texas(US)
Texas(US)
Texas(US)
Komi(Russia)
Russia
Kolguyev Island(NW Russia)
W USA
Utah(US)
N America
N America



Texas(US)

S Africa
S Africa
England,Madagascar
Madagascar

Saratov(Russia)
Scotland

Scotland

W USA

W USA,N Africa?
Texas(US)
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa
S   Africa

Germany
Germany
Brazil,S Africa?
Brazil
Brazil



W USA
Arkansas(US)



England
England
Madagascar
S Africa
S Africa
Europe
S Africa
S Africa

C Asia
Russia
Russia

France
France
France
Europe

W USA
California(US)
Colombia
Colombia
Europe
W USA
California(US)
Argentina
Buenos Aires(ARG)
W USA
Arizona,Texas(US)



Brazil
Brazil
Germany
Germany

W USA
Texas,Oklahoma(US)

Texas,Oklahoma(US)
W USA
Texas(US)
W USA

Oklahoma,Texas,New Mexico(US)
Texas(US)
Texas(US)

Texas(US)




Texas(US)
Belgium
Belgium
Belgium

Yugoslavia
NW Yugoslavia
China,Mongolia
Nei Monggol(China)Mongolia
France,W USA
Texas(US)
Texas(US)
Texas(US)
France
W USA
Texas(US)
W USA
Texas(US)



Germany,Argentina
Germany,Argentina
C America,W Indies
Dominican Republic
Dairy Cave(Jamaica)
Dominican Republic
N America
N America




E USA
Ohio(US)

Illinois(US)



Texas(US)

Switzerland
Switzerland
Switzerland
Brazil
Rio Grande do Sul(Brz)
England
England
Argentina
Argentina

Morocco,Menorca
a'Ahl al Oughlam(Mrcco)
Menorca
Argentina
Argentina
Russia
Sol'iletsk(Russia)
Europe,E Africa,N America
Germany,Czech Republic
Kenya
N America
Mongolia
Mongolia
W USA
New Mexico(US)



W USA,W Canada,Mexico
Wyoming(US)
Montana,Wyoming,New Mexico(US)Alberta(Cnda)Coahuila(Mxco)
Wyoming(US)
New Jersey(US)
W Canada,France, W USA
Alberta(Cnda)
Montana(US)
Montana(US)
New Mexico(US)
Montana(US)



N Dakota,Montana(US)
Montana(US)



Montana(US)Alberta(Cnda)
Alberta(Cnda)
Montana(US)
New Mexico(US)
New Mexico(US)
Alberta(Cnda)
Montana(US)
N Dakota(US)
New Mexico(US)
N Dakota(US)
S Dakota(US)
Wyoming(US)
N America
Montana(US)
Argentina
La Rioja(ARG)
Argentina
Kirgizstan
China
China
China
Anhui(China)
China
Shandong(China)
China
Anhui(China)




S Africa,E & S Asia
S Africa,E & S Asia
India
S Africa
India
Shaanxi(China)
S Africa
Xinjiang(China)
Russia
Russia
Russia
Cis-Urals(Russia)
Russia
Russia



W USA
Texas(US)

Germany
Germany
Germany
Germany
China
Anhui(China)
Anhui(China)

Mongolia
Mongolia
Mongolia
Mongolia

China

China
Guizhou(China)
W USA
Arizona(US)
Australia
Italy
Italy



Australia,N America,Europe
Maryland(US)




New Zealand



New South Wales(AU)



New South Wales(AU)
New Jersey(US)
Orenburg(Russia)

England




New South Wales(AU)

Alabama(US)




Australia

Queensland(AU)
Switzerland
Switzerland
S Africa




Madagascar
Madagascar

N Carolina(US)
USA
Illinois(US)
Texas(US)



Texas(US)
Texas(US)
Pennsylvania(US)
Texas(US)
Illinois(US)
Illinois(US)
Texas(US)
Illinois(US)

New Jersey(US)
Pennsylvania(US)
Pennsylvania(US)
England,Canada,China
Nova Scotia(Cnda)
England
Yunnan(China)
England
Yunnan(China)
Yunnan(China)
USA,Sweden
New Jersey(US)
New Jersey(US)
New Jersey(US)
Alabama(US)
Kansas(US)
Alabama(US)

Alabama,Kansas,Wyoming,Texas,Colorado,S Dakota(US)Manitoba(Cnda)Sweden
Kansas(US)

Kansas(US)
Kansas(US)
Kansas(US)
USA,Mexico
Kansas(US)
Oklahoma,Texas(US)Tamaulipas(Mxco)
Texas(US)
Kansas,Nebraska,Florida(US)
California,Arizona,New Mexico(US)
Florida,Kansas,Texas,Missouri(US)
Florida,Nebraska,Texas,California,New Mexico,Arizona(US)
California,Nevada(US)

W USA
Texas(US)
England
England
Germany
Germany
Russia

Lipovaya(Russia)
Europe
Madagascar,Germany,England
Madagascar

W USA
Arizona(US)
S Africa
S Africa
W USA
Oklahoma(US)
W USA
Texas(US)
W USA
Wyoming(US)
Wyoming(US)
S Africa
S Africa
England




Moscow(Russia)

England
Europe
Jordan
N America



Europe,W USA

Texas(US)England
England
Mongolia,China
Nei Monggol(China)Mongolia
Guangxi(China)

Germany
USA
Wyoming(US)
Wyoming(US)
Wyoming,Montana(US)
New Jersey(US)
Wyoming(US)
Russia
Krasnie Baki(Russia)
Lipovo(Russia)
W USA
Wyoming(US)
N America
Spain
Spain
Italy
Italy
W USA
Oklahoma(US)
Texas(US)
Texas,Oklahoma(US)

China
W USA
Colorado(US)
Colorado(US)
Colorado(US)

Germany
Germany
Mongolia
USA
Texas,Kansas,Arizona,New Mexico,Nevada(US)Mexico
Saskatchewan(Cnda)
California,Nevada,Arizona(US)
California,New Mexico,Nevada(US)Mexico

Germany
Europe

England




Cuba




England
Lyme Regis(England)
England
England

England
Ul'yanovsk(Russia)
Mongolia
Mongolia




England,USA
Wyoming(US)England,Portugal

Wyoming(US)
W USA
Texas(US)
N & C America

Yucatan(Mxco)
Yucatan(Mxco)
Germany
Germany
Germany,W USA
Germany
New Mexico(US)
USA
Texas(US)
Ohio(US)



Colorado(US)
W USA
Wyoming(US)
Argentina
Mendoza(Argentina)
Germany,Italy,France,Israel

Switzerland,Italy



France,Germany
Germany
Germany
Germany
Poland
W Indies
St Thomas Island
Puerto Rico,Virgin Islands
Puerto Rico
Puerto Rico,Bahamas

Germany,Poland,Austria,Israel
Germany
Germany

Poland

Germany
Austria



Germany
Israel
W USA,Switzerland,Germany
Switzerland
Germany
Nevada(US)
Nevada(US)
Switzerland
Nevada(US)

Idaho(US)
Mexico
Tamaulipas(Mxco)
W Canada
Saskatchewan(Cnda)
England
S Asia,E Indies,S Pacific
Mauritius
Germany,Poland
Germany,Poland

Hungary?
Madagascar

Madagascar
China
Liaoning(China)
Mongolia
Mongolia

Scotland
Scotland



Russia
Bashkortostan(Russia)




W USA
Oklahoma(US)
W USA
California(US)
Mexico
Yucatan(Mxco)
Russia
Kotel'nich(Russia)
Russia

W USA
Texas,Arizona,New Mexico(US)
N Carolina(US)
New Mexico(US)
Texas(US)
W USA
Colorado(US)




China
Lufeng(China)
Lufeng(China)
Lufeng(China)
Argentina
Santa Cruz(ARG)
Argentina
Santa Cruz(ARG)

Argentina
Jujuy(ARG)
W USA
Utah(US)
Ecuador
Ecuador

Mauritius
Mauritius
W USA
Utah(US)

W USA
Wyoming(US)
Wyoming(US)
USA
Texas(US)
W Virginia(US)
Texas(US)
Texas(US)
Texas(US)
Texas(US)
Texas(US)
Oklahoma(US)
Texas(US)
Texas(US)
Texas(US)

Texas(US)
Texas(US)
Texas(US)
Texas(US)
Texas(US)
Oklahoma(US)
Texas(US)
Texas(US)
Texas(US)
Texas(US)

Texas(US)

Texas(US)
Texas(US)
New Mexico(US)
Texas(US)
New Mexico(US)
Oklahoma(US)
Texas(US)
Texas(US)
Texas(US)
Ohio(US)




Italy,England
England
Italy,England
Cromhall(England)
W Indies

Puerto Rico
Dominican Republic
E USA
New Jersey(US)
N America
W USA
Nebraska(US)
California(US)
California(US)
E USA
Germany
Alabama(US)
S Africa
S Africa
S Africa
New Mexico(US)

Wyoming(US)
S Africa

W USA
Kansas,Wyoming(US)

England,France
France
England
Europe

Russia,Sweden
Voroshilovgrad(Russia)
Kristianstad(Sweden)
Russia
Donguz(Russia)
Russia
Sol'Iletsk(Russia)
Russia
Russia




France
France
France
France
Russia
Russia
Sol'Iletsk(Russia)
England,Portugal,W USA,Mongolia
England
England,Portugal
Wyoming(US)
N America
Colombia
Colombia
France
France
France



India

N Italy
N Italy
England
England
Germany
Germany
W USA
Oregon(US)
Mongolia
Mongolia
Germany
Germany



E Canada
Nova Scotia(Cnda)
W USA,Germany?
Kansas(US)Germany?
Kansas(US)
W USA



Texas(US)
USA,Germany,Czech Republic
Texas(US)
Texas(US)
Pennsylvania(US)
Germany
Texas(US)
Texas,Oklahoma(US)
Kansas(US)
Texas(US)

Czech Republic
New Mexico(US)
Texas(US)
Pennsylvania(US)
Texas(US)

W USA
Montana(US)
Australia
S Australia(AU)
Germany
Germany
Germany

Europe
Germany
Germany
W USA
Colorado(US)
N America
Spitsbergen
Uzbekistan
Uzbekistan
Germany
Germany

S Africa
N America,Russia
Don(Russia)
Kama(Russia)
Kansas(US)
Kursk(Russia)
Kansas(US)



New Jersey,Montana(US)
Orenburg(Russia)
N America
Sakhalin(Russia)
Penza(Russia)



Wyoming(US)
Egypt

W USA
New Mexico(US)
W USA
California(US)
S Africa, G Britain, Scotland
Scotland
G Britain
S Africa
S Africa
Tennessee(US)
Germany
Germany
S Dakota(US)



Texas(US)
S Africa



S Africa

Russia
W Russia

Italy
Italy
Russia
Sol'Iletsk(Russia)
France
Russia
E Russia
W USA



W USA
Wyoming(US)
W USA
Wyoming(US)
Wyoming,Colorado(US)
Germany
Geiseltal(Germany)

Germany
Germany
Germany
Russia
Volga River Basin(Russia)
Germany
Germany
S Africa
S Africa
W USA
Texas(US)
Mongolia
Mongolia
Mongolia
Mongolia
S Africa



W USA

New Mexico(US)
Mongolia
Mongolia
Mongolia
Mongolia
Morocco
Beni Mellal(Morocco)
England
Vilyui(Russia)
England
Vilyui(Russia)
Argentina
Santa Cruz(ARG)
Santa Cruz(ARG)
Santa Cruz(ARG)

Scotland
Scotland

Connecticut(US)
S Africa
S Africa
Russia




W USA
Texas(US)
Mongolia
Mongolia
Russia
Khatangskii Gulf(N Russia)
Scotland
Scotland
Germany
Germany

Texas(US)
N Africa,N America,Europe
Morocco

Nebraska(US)
France
Florida(US)
Missouri,Maryland,Kansas,Florida(US)
Florida(US)
Florida(US)
California(US)
Kansas(US)
Florida(US)
Bermuda
Nebraska(US)
Texas(US)
Texas(US)
Texas,Nebraska,Kansas,New Mexico(US)
S Dakota,Kansas(US)
California(US)
Florida(US)
N Dakota(US)
California(US)
Nebraska(US)
Nebraska,Florida,S Dakota,Kansas(US)
Kansas,Texas(US)
Texas(US)
W USA
Kansas(US)
Kansas(US)
China
Shanxi(China)
Shanxi,Inner Mongolia(China)



S   Africa
S   Africa
S   Africa
S   Africa
S   Africa



France
France
France
France
France
France
England,Germany
Germany
England,Germany
England
Europe
England



W USA

France




E USA
Virginia(US)
England
England
Russia
Orenburg(Russia)
W USA
Wyoming(US)
Wyoming(US)
Montana,Wyoming(US)
Wyoming(US)
Colorado,Wyoming(US)
Wyoming(US)
Montana,Wyoming(US)
Argentina
Los Colorados(ARG)
China
Shanxi(China)
Mongolia
Mongolia




W USA
California(US)

China
Shanxi(China)
China
Xinjiang(China)
China
China
Yunnan(China)
S Africa
S Africa




California(US)
Russia
Komi(Russia)



Russia
Orenburg(Russia)
Russia
Russia
Russia
Russia




Madagascar
Aldabra
Germany
Germany

Germany

E Africa
E Africa




Russia
Penza(Russia)

France
England
England

France
France
France
Poland

Poland
Poland
N America
USA
New Mexico,Montana,Colorado,Nebraska(US)
New Mexico,Wyoming,Nebraska,Montana(US)
California(US)
California(US)
Kansas,Nebraska(US)
Florida,New Mexico,Colorado,Texas,Wyoming,Nebraska(US)
California(US)
Nebraska(US)
Kenya
Kenya
Kenya
W USA
Wyoming(US)
Mongolia
Mongolia
W USA
Texas(US)
Slickstones(England)
Mongolia
Mongolia
Europe,N America,SW Asia,N Africa,E Indies
Niger,Jordan,Egypt
Alabama(US)
S Dakota(US)
Jordan(US)
Kansas(US)
Jordan(US)
N America
Israel,Syria,Egypt,Angola,Brazil

W USA



New Mexico(US)
Wyoming(US)
Wyoming(US)

Colorado(US)
Wyoming(US)

Colorado,Nebraska(US)
Colorado(US)
California(US)
Montana(US)
Wyoming(US)
Wyoming(US)

Colorado(US)
Wyoming(US)
Wyoming(US)
Wyoming(US)
Utah(US)
S Dakota(US)
Wyoming(US)
Wyoming(US)
Colorado,Wyoming(US)
Mongolia
Mongolia
Mongolia
Mongolia
Mongolia
Mongolia
India
India
E USA
Virginia(US)
N America
Mauritius
Mauritius

Nigeria
Nigeria
Germany
Germany
Argentina
Argentina

France
France
England
England
Spitsbergen

Spitsbergen
Argentina
La Rioja(ARG)
China
Shaanxi(China)
Mongolia
Mongolia
Mongolia



Pennsylvania(US)



Israel
Israel

W USA
Arizona(US)
Belgium,France,Canada,Sweden
Belgium,France
France
Manitoba(Cnda)
Sweden

China
Shanxi(China)




Canada
Nova Scotia(Cnda)
USA,Belgium,Peru,Morocco,Syria,Sweden
New Jersey(US)
New Jersey(US)

Kansas(US)
Belgium
New Jersey,Maryland(US)
Peru
Jordan
Sweden

Kansas,Alabama(US)

China
Hubei(China)
W USA
Wyoming,Montana(US)
W USA,England,France,Germany
Colorado(US)France,Germany
Kansas(US)
Europe
England
Germany
Europe
Germany
Montana,Wyoming(US)
Montana,Wyoming(US)
Wyoming(US)
New Jersey(US)
W USA
Utah(US)

Wyoming(US)
Wyoming(US)
Wyoming(US)

W USA
Nebraska(US)
Germany
Germany

Russia
S Africa
S Africa
S Africa
S Africa

S Africa
S Africa



USA,France
France

Colorado,Nebraska(US)
Florida(US)
Nevada(US)
Texas(US)
W USA,China
Wyoming,Montana,Nebraska(US)
Nei Monggol(China)
S Dakota(US)
Utah(US)
Wyoming,Montana,S Dakota,Nebraska,Colorado(US)
Switzerland
Switzerland
Africa,S Asia,Pacific,Mauritius
Zanzibar
Mauritius
E Africa?

Poland

Germany
Germany
W USA
Wyoming(US)




Switzerland

W USA
Utah(US)
Europe
China
Tibet(China)

Mongolia
Mongolia
Mongolia,Uzbekistan
Uzbekistan
Mongolia

Colorado(US)
W USA,Mexico
Nebraska(US)
Colorado,Kansas,New Mexico(US)Mexico
Texas(US)
Kansas(US)
Kansas,Texas,New Mexico(US)
N America
New Jersey,S Carolina,Alabama(US)



W Canada
Saskatchewan(Cnda)

Kansas(US)



Germany

Germany
Germany
Germany
Germany
Germany
Germany

Germany

Germany
Germany
Germany



China
Shanxi(China)
Brazil



Brazil

Madagascar
Madagascar
S Africa
S Africa
China
Shanxi(China)
Canada
British Columbia(Cnda)
Mexico
Mexico

China
China
Shanxi(China)
W USA
Nebraska,S Dakota,Wyoming(US)

Austria

W USA
California(US)



 Canada
hibia Index)
 Germany
 Nova Scotia(Cnda)
 S Africa
 Scotland,G Britain,India,Brazil,Argentina,Tanzania,Zimbabwe,Canada
 Scotland
 Rio Grande do Sul(BRZ)
 India
 Argentina,Brazil
 Argentina,Brazil

China
Liaoning(China)
Liaoning(China)

Texas(US)
W USA
S Dakota,Colorado(US)

Wyoming(US)
Tanzania
Tanzania
W USA
California(US)
E USA
New Jersey,Pennsylvania,Connecticut(US)
New Jersey(US)




E USA
New Jersey(US)
W USA
Kansas(US)



Spain,Portugal
Spain,Portugal
E USA
New Jersey(US)
New Jersey(US)
Europe,Greenland,N America
Germany
Germany
Germany
Queensland(AU)



England

California(US)
Russia,England
England

England



England
England

California(US)



England
British Columbia(Cnda)
Kursk(Russia)
Germany
England

Germany
Queensland(AU)



Moscow(Russia)

England
Germany
Germany
England
Ul'yanovsk(Russia)
Germany?
France,England
England
Cuba
Germany
Ul'yanovsk(Russia)

Niger,Jordan
Niger(material originally ascribed to Egypt), Jordan
Mongolia
Mongolia
W Indies,S America
Martinique,Lesser Antilles




Italy
California(US)Barbados

Ecuador
Anguilla(AWI)
Jamaica
Puerto Rico
W USA
Wyoming(US)
Wyoming(US)

Germany




Germany
Mongolia
Mongolia
Nei Monggol(China)
Spain
Spain



Russia
Kolguev(Russia)



Mongolia
Mongolia

Madagascar
Madagascar
Madagascar

Switzerland

USA
S Dakota(US)
Czech Republic
Czech Republic
Spitsbergen
Spitsbergen
Mongolia,China
Nei Monggol(China)Mongolia
Russia
Rassypnaya(Russia)
W USA
Wyoming(US)
Algeria
Algeria
Russia
Koltaevo(Russia)
Germany
Germany
Australia
New South Wales,Queensland(AU)
W USA
Texas,Oklahoma(US)
New Zealand
New Zealand
Australia
Queensland(AU)
France,Germany
France
Germany

England,Russia
Zheshart(Russia)
England
Petropavlovka(Russia)
Berdyanka(Russia)
China
China

Germany
China
Kenya
Kenya
Russia
Saratov(Russia)
Mongolia,Russia
Lake Gusinoe(Russia)
Mongolia
England
England
Russia
W Russia
S Africa

Germany
Germany
N America



California(US)
Madagascar
Madagascar
Australia,Colombia
Colombia
Queensland(AU)
Australia
New South Wales,Queensland(AU)
Great Britain
England
Great Britain
Great Britain




China
Yunnan(China)
China
W USA
Texas(US)
Texas,Oklahoma(US)
W USA

Texas(US)

Texas(US)

Europe,Mediterranean,E Indies,N Africa,C Asia
Aridos(Spain)
Germany,Russia
France
France
France
Sicily
Crete
Germany,Poland
Poland,Hungary
France
England
France
France
Canary Islands
France
France,Germany,Spain
Canary Islands



Germany
France
France
France

Germany
Germany
France
France
Malta,Sicily
Canary Islands
Montaigu-le-Blin(FR)
Cudmore Grove(England)
Europe(widespread)
Canary Islands
Hungary,Romania,Sicily,Italy,Monaco
Germany
S Africa
S Africa
Mexico
Yucatan(Mxco)
Argentina
Chanares(ARG)
Argentina

Chanares(ARG)



Poland
Poland




Wyoming(US)
Wyoming(US)
N Italy
N Italy
N Italy
Russia
Mezen(Russia)
Russia
Arkhangel'sk(Russia)
Russia
E Russia
France
France
E Indies
Spain,Italy,Switzerland,Austria
Italy,Israel

Italy
Switzerland
Switzerland




Switzerland

Israel
Italy,Switzerland
Guizhou(China)




W Indies,N America
Dominican Republic

Bahamas
Barbuda
Puerto Rico
Martinique,Barbuda
Jamaica
Nebraska(US)
Puerto Rico
Dominican Republic
Nebraska(US)
Florida,Wyoming,Nebraska(US)Cuba
Nebraska(US)
G Britain,Holland,N America
England




Holland
Mauritius
Mauritius
Mauritius
Argentina
Mendoza(ARG)
Buenos Aires(ARG)
Mexico
Yucatan(Mxco)
Tamaulipas(Mxco)

Mongolia
USA
Montana(US)
Wyoming,Montana,New Mexico(US)
Wyoming(US)
New Jersey(US)
W USA
California(US)
Europe,Australia,S Africa
S Africa
W Australia(AU)
Queensland(AU)
England
W USA
Kansas(US)
England
England
England

England
Scotland
Scotland
Europe

Germany,France
Germany
England
England,France
Russia



Germany

Texas(US)
Texas(US)
Texas(US)
Texas(US)
Russia
Lestanshor(Russia)

W USA
Wyoming(US)
Wyoming(US)
Wyoming(US)

Kansas(US)
Canada
Alberta(Cnda)
Russia
Kursk(Russia)
Argentina
Argentina
W USA
Texas(US)
W USA
Texas(US)
France
France

Lesotho



Wyoming(US)
France,Netherlands,E USA
England
Alabama(US)




France

Germany
Alabama(US)
France

Orenburg(Russia)
New Jersey(US)Netherlands
Europe,S America,N America?



England,France,Russia

England,Argentina,N America

England
England
Chuvashia(Russia)

Portugal
Portugal
Portugal
W USA
Wyoming(US)
Wyoming(US)
Kirghizia
Kirghizia
Italy
W USA
Texas,New Mexico(US)




Germany
Germany
China
Hunan(China)
W USA
Colorado,Nebraska(US)
N America
Russia
China
Yunnan(China)
W USA
Texas(US)
Texas(US)
Argentina
Argentina
Zanzibar
Zanzibar

Africa
Kenya



N America

Puerto Rico,Madagascar,Aldabra
Puerto Rico
Aldabra
USA
England



Canada
British Columbia(Cnda)




Arizona(US)

Arizona(US)




W USA
New Mexico(US)
Wyoming(US)
Colorado,Wyoming,Nebraska(US)



Montana,Wyoming,New Mexico(US)

Mongolia
Mongolia
Mongolia
Mongolia



Italy,Switzerland
Germany
Italy,Switzerland
Europe
Russia
Mezen(Russia)
Czech Republic
Czech Republic

Italy

Italy

Mascarene Islands



Russia
Zheshart(Russia)



England
England
England
Europe,S America

W USA
S Dakota(US)
Czech Republic
Czech Republic

USA



New Jersey(US)
Germany



W USA,India
Texas(US)
India
Russia
Cis-Ural(Russia)
Tanzania
Tanzania
Argentina
Argentina
Argentina
Neuquen(ARG)
England



New Zealand

England
New Zealand
Germany?
Germany?
Italy
Italy
Australia
Queensland,S Australia,New South Wales(AU)
S Australia(AU)

W USA
Wyoming(US)

Wyoming(US)
Germany



Belgium,W USA,France
Wyoming(US)
Wyoming(US)
Belgium,France
USA
W Virginia(US)
W USA
Wyoming(US)
Wyoming(US)
W USA
California(US)
Russia
Mezen(Russia)
S Asia
Europe



 Germany
 Germany
signed to Paleorhinus
 S Africa,Brazil
 Brazil
 S Africa
 S Africa
 S Africa,Brazil
 S Africa,Brazil
 S Africa
 S Africa
E Asia
Japan?



Texas(US)
Spain
Spain
Europe



Europe

England

Russia
Vologda(Russia)
Russia
Austria
Austria



Russia
Donguz(Russia)
S Africa
S Africa
S Africa
Switzerland
Switzerland
S Africa

S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
E USA
Illinois(US)
Mongolia,China
Djadochta(China)
Nei Monggol(China)Mongolia
Mongolia
China
China
E Asia
China
Yunnan(China)
Europe,China,New Zealand
Germany,France,Poland
Italy,Switzerland,China

Switzerland
Spitsbergen
Guizhou(China)

British Columbia(Cnda)
Spitsbergen
Canada
Switzerland
New Zealand
New Zealand
Argentina
Neuquen(ARG)
Mongolia
Mongolia
E Asia
China
Shandong(China)
Liaoning(China)
Niger,Madagascar
Niger
Niger
Niger
W USA
California(US)
Antarctica
Antarctica
Mongolia
Mongolia

Europe,N America,Japan,New Zealand
Germany
Egypt,Morocco
Netherlands
Egypt,Jordan
Alabama(US)
New Jersey(US)
Netherlands
New Jersey(US)

New Jersey,S Dakota(US)
Don(Russia)
New Zealand
New Jersey(US)



Japan
Alabama(US)Netherlands,Belgium,Turkey,Poland,Bulgaria,Niger,Congo



Angola
Kansas(US)Sweden



New Zealand

New Jersey,Texas(US)
Alabama,Georgia(US)
S Dakota(US)
New Jersey(US)
New Zealand



New Jersey(US)
S Dakota(US)

New Jersey(US)

New Jersey(US)

Europe,W Indies,S America
England




Moscow(Russia)
Kama(Russia)
England




Moscow(Russia)
S America?
England




W USA
Texas(US)
Colorado(US)
Argentina
S Africa
S Africa
S Africa
W USA
Kursk(Russia)
Wyoming(US)
Germany,Italy
Germany,Italy

Germany

Germany

China
China
England
England
S Africa
S Africa
S Africa
S Africa
S Africa
W USA
Wyoming(US)
W USA
Texas(US)
Texas(US)
Texas(US)

Czech Republic




Germany,France,Switzerland,Belgium,England
France
Germany

France,Switzerland,Belgium,England

E USA
New Jersey(US)
W USA
California(US)
Israel
Israel
Argentina
Los Colorados(ARG)
Russia
Penza(Russia)
China
Shaanxi(China)
France
France
Germany,Italy,Switzerland

Italy
Switzerland
Germany,Switzerland,Italy

France,Germany,Switzerland,Austria
Italy,Switzerland
Austria
Germany,USA,India
W USA
Texas(US)
Utah(US)
Texas,Arizona(US)
Germany
India
Germany
Texas(US)
Germany
Texas(US)
Connecticut(US)

W USA
New Mexico(US)
S Africa
S Africa
S Africa
W USA
Nebraska(US)
S Africa
S Africa
S Africa
S Africa
Germany,SW Asia

Germany




Germany



Netherlands
Germany
Spain
Germany
Germany
Israel



Germany




Germany
Germany
France




Germany

Germany
Germany

Germany
Israel

Israel
Kweichou(China)
Germany
Netherlands
Australia
New South Wales(AU)

Europe,Africa
Europe,Zanzibar?




Russia
Belebey(Russia)
Russia
Chirki(Russia)

Russia



Russia
Russia
W Russia
France
France
Argentina
Mendoza(ARG)
W USA
New Jersey(US)
Wyoming(US)
Wyoming(US)
Wyoming,Colorado,Montana(US)
Wyoming,Colorado(US)
Texas(US)
New Mexico(US)



W USA
Wyoming(US)
W USA
New Mexico(US)




W USA
Kansas(US)
Nebraska,Kansas(US)
W USA
Wyoming,Montana(US)
Wyoming(US)



N America
Brazil
France
France
N America
Spitsbergen,N America
Germany
Nevada(US)
Nevada(US)
Spitsbergen

Germany
Germany
Yugoslavia
Yugoslavia
New Mexico(US)
Ohio(US)
New Mexico(US)
Kansas(US)
Texas(US)
New Mexico(US)
New Mexico(US)
Texas(US)
Texas,Ohio(US)
Texas(US)
Texas(US)
Texas(US)
W USA
Texas(US)

Germany
Germany
Germany

Germany
France,Germany,USA,Canada,SW Asia
Germany
Kansas,Oklahoma(US)
France
Saskatchewan(Cnda)
Sansan(France)
Florida(US)
Czech Republic
Germany



Morocco
France
Germany

Hungary,Austria,Poland,Czech Republic,Russia,Romania
Switzerland
France
Germany
Florida,Texas(US)England,Belgium,Spain,Turkey,France
Bardenas Reales(Spain)
Nebraska(US)
Czech Republic

Florida,Nebraska,Kansas,Missouri(US)
Germany
W USA
Norway,England,W USA,Russia,Argentina
England
Wyoming(US)
England
Neuquen(ARG)
Wyoming(US)
Neuquen(ARG)
Wyoming(US)
Russia
Ul'yanovsk(Russia)
W USA
Wyoming(US)
Wyoming(US)
Madagascar
Aldabra Atoll
Russia
Nikolaya(Russia)

Lipovskaya(Russia)




Scotland,Lesotho
Scotland

Lesotho
Scotland
Scotland
Europe
N America
W USA
Texas(US)



W USA
Texas(US)
W USA
Wyoming(US)
Wyoming(US)
Wyoming(US)
Russia
Volga Region(Russia)
Ul'yanovsk(Russia)
Saratov(Russia)
S Africa
S Africa
S Africa
S Africa
Uzbekistan
Uzbekistan
Europe



England
England
China
Shandong(China)
Europe
Italy,Switzerland

Italy,Switzerland
Italy
Germany,England
Germany,England
China
Yunnan(China)

N Africa
India
India



S   Africa
S   Africa
S   Africa
S   Africa
N   America

France

USA
Pennsylvania(US)
Pennsylvania(US)

Texas(US)
Texas(US)
Germany
Germany
Germany
Germany

Germany
Germany
USA,Canada
Wyoming(US)
Wyoming,Montana,New Jersey(US)Alberta(Cnda)
Wyoming(US)
Wyoming(US)
Europe



Pennsylvania(US)

W USA
Colorado(US)
USA,W Canada
California(US)
Saskatchewan(Cnda)
Wyoming(US)
Wyoming(US)
Montana,Wyoming,New Mexico(US)
California(US)
Wyoming(US)
Florida(US)
W USA
Wyoming(US)

W USA,Morocco,India,Austria,Germany
Germany
Wyoming,Texas(US)
Germany
Texas(US),Africa
Germany
India
Germany
Morocco
Germany
Wyoming(US)
Texas(US)
Texas(US)
Texas,Wyoming,New Mexico(US)
Germany
Canada,Europe
Nova Scotia(Cnda)
USA
Florida(US)
S Africa,France?
S Africa



E Africa
Mexico
Tlayua(Mxco)
W USA

Montana(US)
Montana(US)
Europe

Germany
N America(some sources cite Europe,Africa also)
Wyoming(US)
China
Shanxi(China)




Russia

W USA
Texas(US)
W USA
California(US)
Scotland,India
India
India
W USA
Montana,Wyoming(US)
N America
Wyoming(US)
Mexico
Guanajuato(Mxco)
W USA
Nebraska(US)
California(US)
W USA
Utah(US)
Utah(US)
W USA

Colorado,Wyoming(US)
Colorado(US)
New Mexico(US)
Colorado(US)
Wyoming(US)
New Mexico(US)
New Mexico(US)
England,W USA
Montana,Wyoming(US)
Wyoming(US)England
Wyoming(US)
Utah(US)
Mongolia
Mongolia
Italy,Switzerland,Germany



Europe
Russia
Saratov(Russia)
Saratov(Russia)
Saratov(Russia)
Ul'yanovsk,Mosco(Russia)
W USA
Colorado(US)
Switzerland
Switzerland
W USA
Montana(US)
Wyoming(US)
Germany
Germany
Germany
W USA
Wyoming(US)
Montana,Wyoming,Colorado(US)
Montana,Wyoming(US)
W USA

Wyoming,California(US)
Germany
Germany

Europe,India,N & S America,Madagascar
India

W USA,Germany,Greenland
W USA,Germany,Greenland
Texas,Arizona(US)
New Mexico(US)
Mongolia
Mongolia
Mongolia
Mongolia
Switzerland
Switzerland
E USA
W Virginia(US)
S Africa,Zambia,Tanzania,N Russia

Brazil



Dvina(Russia)

Dvina(Russia)
Dvina(Russia)
Zambia,S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
Dvina(Russia)

Europe,Africa



Zambia,S Africa
S Africa




Madagascar
Aldabra

W USA
Texas(US)



Texas(US)

Texas(US)

Texas(US)
W USA
New Mexico(US)
W USA
Wyoming,Nebraska,Colorado,S Dakota(US)
Tanzania
Tanzania
Austria
Austria
Austria
Austria
Mongolia
Mongolia
Canada
British Columbia(Cnda)

England
England
Lesotho
England
England
England
England
Russia
England
USA,Canada
Nebraska(US)
S Dakota(US)
Florida(US)
Wyoming,Nebraska,N & S Dakota,Colorado,Florida(US)
Wyoming(US)

Nebraska(US)
Wyoming(US)
Florida(US)
Montana(US)
N Dakota(US)
S Dakota(US)
Wyoming(US)
Saskatchewan(Cnda)
W USA
Montana,Texas,Utah(US)
Utah(US)
China
China

Europe

Spitsbergen
Spitsbergen
Spitsbergen
Spitsbergen
Alberta(Cnda)Spitsbergen
Spitsbergen
Germany
W USA
Kansas(US)
S Africa
S Africa
N America
S Africa
S Africa
Russia
Spasskoe(Russia)
W USA,Spitsbergen
Nevada(US)
Nevada(US)Spitsbergen

Mascarene Islands
Mauritius
Mauritius
Rodriguez Island

Aldabra
Italy

USA

Russia
Baskir(Russia)
W USA,Mexico
Colorado(US)
Kansas(US)
California(US)
Wyoming(US)
Kansas,Texas,New Mexico,Arkansas,Nebraska(US)
California(US)
S Dakota,New Mexico,Nevada,Texas(US)
Colorado(US)
Kansas(US)
Mexico
Kansas(US)
Mexico
Nevada(US)
Arkansas(US)
California(US)
Hidalgo(Mxco)
Nebraska(US)
Mongolia
Mongolia
Europe
Switzerland?
Czech Republic
Czech Republic
Australia
Queensland(AU)
Germany,W USA
New Mexico(US)
Germany
New Mexico(US)

Germany
Texas(US)



New Mexico(US)
Europe

Germany,France
Germany
USA
New Mexico(US)
New Mexico(US)
New Mexico(US)
Mongolia
Mongolia
W USA



Germany,France
Germany
Germany

Italy



Italy,Hungary

Italy
Italy
Hungary
Italy
Italy
Germany,SW Asia



Germany




Germany




Germany



Germany
Germany
Germany
Germany
Germany
England,Switzerland,Germany,France,China,Mongolia
France
France
France
France

France
Nei Monggol(China)Mongolia
France
France
Honan(China)Switzerland,France,England
Germany
Germany
Germany
G Britain
England

USA, Angola, France,Sweden
Kansas(US)

Kansas(US)
Angola
Texas,S Dakota,Alabama(US)France,Sweden

Kansas,Alabama(US)
Kansas,Alabama(US)
Kansas(US)
Wyoming,Kansas,Alabama(US)
Alabama(US)
Kansas(US)
Kansas(US)
Kansas(US)
Jordan
France,Sweden
Kansas(US)
Kristianstad(Sweden)
Kansas(US)
Kansas,Mississippi(US)



S Africa




Europe,Australia,N America
Wyoming(US)
Queensland(AU)
Saratov(Russia)
Ul'yanovsk(Russia)
Ul'yanovsk(Russia)
Kursk(Russia)
Queensland(AU)

Ul'yanovsk(Russia)
W USA
Colorado(US)
Colorado(US)
Colorado(US)
England,France,Belgium,Germany
England,France,Belgium
Germany
W USA
Wyoming(US)
W USA
New Mexico(US)
Europe,W USA



New Zealand



England




Germany

S Africa



Chile




England




New Zealand




England
nsi




England

Germany



G Britain
Penza(Russia)
California(US)



New Zealand



New Zealand




Lonely Island(Russia)



New Jersey(US)

New Zealand
England

England
Queensland(AU)



Jordan




Crimea

New Mexico(US)
New South Wales(AU)
England




Queensland(AU)
France
New Zealand




W USA
California(US)




W USA
Oklahoma(US)
China,Mongolia
Nei Monggol(China)Mongolia

France,Germany
France
Germany
Belgium,W N America
Kansas(US)
New Jersey(US)
Belgium
Belgium
S Dakota(US)Saskatchewan(Cnda)




Europe,E & C Asia,S America
England



England,France



England

Moscow(Russia)
England
Saratov(Russia)
Argentina,England,N America
England
Chuvashia(Russia)
England
England
England
Moscow(Russia)
Europe,N America
California(US)
California(US)
Niger,Nigeria
Niger,Nigeria
Russia
Ul'yanovsk(Russia)




W USA
Texas(US)
S Australia(AU)
W USA
Texas(US)
Mongolia
Mongolia
N America
Russia



Don(Russia)
Voronezh(Russia)
Voronezh(Russia)
Kansas(US)
Kansas(US)
Orenburg(Russia)
New Zealand
Penza(Russia)
W USA,Mexico
Baja(Mxco)
Utah(US)
Utah(US)
E USA
New Jersey(US)
Europe,N America




Mexico




Canada
Alberta(Cnda)
Germany
Germany

Europe
W USA
Wyoming(US)
New Mexico(US)
W USA
Texas(US)
Brazil
Rio Grande do Sul(Brazil)
Rio Grande do Sul(Brazil)
Brazil

S Africa
W USA
Utah(US)

Wyoming(US)
Argentina
Argentina
China,Mongolia
Nei Monggol(China)Mongolia
Brazil
Minas Gerais(BRZ)
Europe
Brazil
Rio Grande do Sul(Brazil)
S Africa,Antarctica,Australia,Brazil




S Africa



Brazil
Antarctica,S Africa
Queensland(AU)

S Africa,Antarctica
S Africa

Mongolia
Mongolia
Russia

W USA
Colorado(US)
USA,New Zealand,France,Israel
Zaire
N Dakota(US)
Kansas(US)
Israel
France,Belgium,Egypt,Israel,Syria,Angola
S Dakota(US)
New Jersey(US)
Netherlands
Belgium
Colorado(US)
New Zealand

Europe



S Africa,Antarctica
S Africa,Antarctica
S Africa,Antarctica
China
Xinjiang(China)
W USA

Poland
Austria
Poland
Poland
S Africa
Mongolia
Mongolia




Italy
Italy

Brazil,Argentina
San Juan(ARG)
Brazil

India,China,S Africa
S Africa
S Africa
S Africa
China
W USA,Rhodesia
Texas(US)
Rhodesia

Canada
Nova Scotia(Cnda)
Europe
England,Germany,France
England,Germany,France
Argentina
Argentina
Germany,England
England
Germany,England
W USA
Texas(US)

E USA
New Jersey(US)



W USA
Wyoming,California,Montana(US)
Wyoming(US)
New Mexico(US)
W USA
Wyoming,Utah(US)
Montana(US)
Wyoming,Montana,Utah(US)
Wyoming(US)
Montana,Wyoming(US)
New Mexico(US)
Texas(US)
Europe
Germany,Italy
England

Germany,SW Asia
Israel
Israel

Egypt
Egypt
Ceratiles Beds(Israel)
Germany
France,Germany
France
France
Germany
France,Belgium
France
France
France,Belgium
Argentina
Chanares(ARG)
W USA
Arizona(US)
W USA

Arizona,New Mexico(US)




W USA
Wyoming(US)

England,USA
Utah(US)
England
England
Austria
Austria
Austria



S Dakota(US)
W USA
Oklahoma(US)
W USA
W USA
California(US)
Queensland(AU)
China
Guizhou(China)
China
Anhui(China)



India
India



China

Brazil

Rio Grande do Sul(Brazil)
India
India
W USA
W USA
New Mexico(US)
W USA
New Mexico(US)
W USA
Wyoming(US)
Texas(US)
USA
Brazil
Brazil
Austria
Austria



USA
Colorado(US)
Wyoming(US)
Colorado(US)
Florida(US)
S Dakota,Nebraska,Colorado(US)
Colorado(US)
Nebraska(US)

S Dakota(US)
Wyoming(US)
Wyoming(US)
Colorado(US)
Russia
Simbirsk(Russia)
Russia
Simbirsk(Russia)
Kansas(US)
W USA
Russia
Russia
N Russia



France
France
England

England
England
England
England

Germany,England
England
England
England
England
England
England
Shandong(China)
England



Connecticut(US)
Russia
Queensland(AU)
New Zealand
New Zealand
New Zealand
New Zealand



England
England
Argentina
Los Colorados(ARG)
Russia
W USA

Texas(US)
Texas(US)
W USA
Texas,Oklahoma(US)
W USA
Texas,Oklahoma(US)
Morocco

W USA
New Mexico(US)
Germany,Asia,USA,Canada
Arizona(US)
New Mexico(US)Europe,Asia
New Mexico(US)
N Carolina,Arizona,Pennsylvania,New Jersey(US)Nova Scotia(Cnda)
Texas,Arizona(US)
Texas(US)
Arizona(US)
Texas(US)
N Carolina(US)
Pennsylvania(US)
Arizona(US)
New Jersey(US)
Pennsylvania(US)
Arizona(US)
N Carolina(US)
Germany,France
New Mexico(US)
Pennsylvania(US)
N Carolina(US)
New Jersey,Connecticut(US)Germany,Switzerland
Texas,New Mexico(US)
Arizona,New Mexico(US)
New Mexico,Connecticut,Arizona(US)
Arizona(US)
Japan
Japan

Scotland
Russia
Orenburg(Russia)
China
Guizhou(China)
China

Switzerland
W USA,Germany
Wyoming(US)
New Mexico(US)
Wahlbeck(Germany)
Wyoming(US)
Santa Cruz(ARG)
California(US)
Wyoming(US)
Wyoming(US)
Wyoming,New Mexico(US)
Germany
Wyoming(US)
Wyoming(US)
Wyoming(US)
Belgium
Wyoming,Utah(US)
Wyoming,New Mexico,Colorado,Nebraska(US)France
Mongolia
Mongolia

China
Xinjiang(China)
France

France
Russia
Donguz(Russia)
France
Wyoming(US)
Wyoming(US)
England,Portugal
Portugal
Portugal
Germany,England,Portugal

Germany,England,Portugal



W USA
Texas,Wyoming(US)
Texas(US)
W USA

Arizona,California,Nevada(US)

France
France

Germany
Germany
S Africa
S Africa
Poland
Poland
S Africa,Poland?
S Africa



Argentina
Ischigualasto(ARG)
Ischigualasto(ARG)
Sweden,Russia?
Orenburg(Russia)



Brazil,India,Argentina

Brazil
Argentina
Brazil



USA,Canada,Mexico
New Mexico(US)
New Mexico(US)
Arizona,New Mexico(US)Saskatchewan(Cnda)
Texas(US)
Arizona,New Mexico(US)
Tamaulipas(Mxco)
California,Nevada(US)

Zumpango(Mxco)
California,Nevada(US)
Chihuahua(Mxco)
California,Nevada(US)
Texas(US)
Texas(US)
Kansas(US)
Hidalgo(Mxco)
Nebraska(US)
W USA (widespread),Mexico
Texas to Maryland(US)
Texas(US)
Aldabra
Aldabra



Russia
Russia
Russia
W USA
Scotland
Scotland
Switzerland
Switzerland
W USA
New Mexico(US)
Canada
Nova Scotia(Cnda)
Russia
Dvina(Russia)
Dvina(Russia)
Dvina(Russia)
Dvina(Russia)
Kotel'nich(Russia)
Sokolki(Russia)
Russia
Donskaya(Russia)
W USA
Texas(US)
Texas(US)
Texas(US)
Texas(US)




Germany
Germany
Germany
E USA
Alabama(US)
Switzerland
Switzerland
China
Shanxi(China)



China
Shanxi(China)
Shanxi(China)
Shanxi(China)
Kirghizia
Kirghizia
Kazakhstan
Europe,N America
California(US)Sonora(Mxco)
California(US)
California(US)
Austria
British Columbia(Cnda)
British Columbia(Cnda)
Germany
Dyugadyak(Russia)
California(US)
California(US)
California(US)
Iganii(Russia)
Monte San Giorgio(Italy)
China
Xinjiang,Shanxi(China)
China
Kweichou(China)
Mongolia
Mongolia
W USA,China
Nevada(US)
Nevada(US)
Nevada(US)
Tibet(China)
W USA
Texas,New Mexico(US)
England
England
Argentina
Ischigualasto(ARG)
Switzerland
Switzerland
Russia
Ul'yanovsk(Russia)
Europe,N America
W USA,Europe
N Dakota(US)



France,England,India,Africa
India
France
Africa
England
Germany,France,Austria
Austria
Germany,France



France

China
Nei Monggol(China)
China
Liaoning(China)
China
China

N America
Mongolia
Mongolia

Germany
W USA
W USA
Canada
Alberta(Cnda)
W USA
Wyoming(US)
Wyoming(US)
Puerto Rico,Bahamas
Dominican Republic
Puerto Rico
Cuba
Cuba
USA,England
England
New Mexico(US)

New Mexico(US)
New Zealand

New Zealand

S Australia(AU)
Czechoslovakia
N America
USA
Pennsylvania(US)
W USA
Kansas(US)
W USA
Texas(US)
S Africa
S Africa
S Africa
Russia
Moscow(Russia)
Moscow(Russia)




Scotland,Argentina,W USA
Scotland
Ischigualasto(ARG)
Arizona,New Mexico(US)
Tanzania
Tanzania
Tanzania
Tanzania



New Jersey,Connecticut(US)
Connecticut(US)
New Jersey(US)
Connecticut(US)
Israel
Israel
Tanzania
Tanzania
Tanzania

Europe

Germany,Canada

Germany
Germany

Germany
Germany
Germany
Germany
British Columbia(Cnda)Germany
Germany
Germany
W USA
Texas(US)
France
France
France
France

S Africa,Brazil
Brazil
Brazil,S Africa
England
England
England
England



China
Russia
Saratov(Russia)

W USA
Wyoming(US)
Kansas,S Dakota(US)
Kansas(US)
Europe

E USA
Pennsylvania(US)
Pennsylvania(US)
Pennsylvania(US)
Germany
Germany
Queensland(AU)
Argentina
Rio Negro(ARG)

Spitsbergen
Spitsbergen
W USA
New Mexico(US)
New Mexico(US)
New Mexico,Wyoming(US)
Wyoming(US)
China
Shanxi(China)
Mexico
Tamaulipas(Mxco)
Russia
Russia
Madagascar
Madagascar
New Zealand
New Zealand
New Zealand
Germany,Switzerland,Italy,Poland,Israel,Netherlands
Germany,Netherlands

Germany,Switzerland,Italy,Poland,Israel
Italy



Italy,Switzerland
Switzerland
Germany




E USA
N Carolina(US)
New Jersey(US)
E USA
New Jersey(US)

Canary Islands,Bahamas,Cuba
Bahamas,Cuba
Argentina
La Rioja(ARG)
Australia,Tasmania
Tasmania
Wyoming(US)
S Africa
Mongolia
Mongolia
Mongolia



Mongolia
China
Manchuria(China)
Argentina
Argentina
Argentina
E Africa

Scotland
Scotland
Mongolia
Mongolia
Europe

England
England

England



Mexico
Tepexi de Rodriguez(Mxco)
Canada
Nova Scotia(Cnda)
S Africa
S Africa
Germany
Germany
Germany
W USA

California(US)
Europe
Canada
Saskatchewan(Cnda)
W USA
W USA
Nebraska(US)
Madagascar
Madagascar
Thailand
Thailand
England
England
W USA
Kansas(US)
W USA
Colorado(US)
Colorado(US)
W USA
Kansas(US)
Kansas(US)
USA
California(US)




Germany
Moscow(Russia)
England
Moscow(Russia)

Germany
Antigua(Lesser Antilles)
Yucatan(Mxco)Barbuda

S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
S Africa
W USA
Wyoming(US)
W USA
Texas(US)
Texas(US)
Texas(US)
Texas(US)
Texas(US)
W USA
Texas(US)
W USA
Texas(US)




Germany
Germany



W USA
Oklahoma(US)
Germany
Germany



China
Tibet(China)
Russia



Vakhnevo(Russia)

Russia
Okunevo(Russia)
Switzerland,Italy
Switzerland,Italy
Brazil
Brazil



India
India
Australia
Russia

Mezen(Russia)
Morocco
Morocco
W USA,Europe,China,Mongolia
Nei Monggol(China)Mongolia
California(US)
Anhui(China)
Belgium
Wyoming(US)
Henan(China)
Wyoming,Utah(US)
Belgium
Wyoming,Utah(US)
W USA
Texas(US)
W USA
California(US)
California(US)
W USA
Montana(US)

Germany
Germany



Australia
S Australia(AU)
Australia

Europe



Italy
Italy
USA
Texas(US)
Texas(US)
England
Wyoming(US)
England
Great Britain
England
Italy
Italy
W USA
Texas,Arizona(US)
Arizona(US)
Arizona(US)

USA,Canada
Kansas(US)
Kansas(US)

Wyoming(US)
Manitoba(Cnda)



Morocco
Morocco
Europe
Russia
Donskaya(Russia)
Cherepanka(Russia)
Mechet(Russia)
Russia
Argentina,New Zealand
Jaguel(ARG)
New Zealand
Argentina,Colombia,Brazil

Colombia
Entre Rios(ARG)

Buenos Aires(ARG)
Colombia,Brazil
Bolivia
China
Xinjiang(China)
Shanxi(China)
Antarctica
Antarctica
USA,New Zealand
Kansas(US)
Kansas,New Mexico(US)
New Zealand
Kansas(US)Sweden
New Jersey(US)
Kansas(US)
Kansas(US)

Alabama(US)
Texas,Colorado,Kansas,Alabama(US)
Orenburg(Russia)
Kansas(US)
New Jersey(US)
Alabama,Texas?(US)




W USA
Arizona,New Mexico,Utah(US)
New Mexico,Arizona(US)
Texas(US)
New Mexico(US)
USA
Virginia,Arizona(US)
Russia
Ul'yanovsk(Russia)
Moscow(Russia)

Moscow(Russia)
Russia
Karagachka(Russia)
France,Crete
France
Crete
N America
W USA
Arizona(US)
New Mexico(US)
W USA
California,Arizona,Nevada,New Mexico(US)
British Columbia(Cnda)Japan
Japan

Italy
Italy

W USA
Oklahoma(US)
W USA
Texas(US)
W USA
Texas(US)
Texas(US)
Texas(US)
Europe,Africa,Asia,Australia

Java

Billa Surga(India)
France,Spain

Australia
Queensland(AU)
Germany
Flores Island(Lesser Sunda Islands)

France
Greece,Hungary,Turkey,Italy

Togo,USA?

Kenya
India
France,Kazakhstan,Spain,Australia,India,Timor

Great Britain
England
Argentina
Argentina
Argentina
Ischigualasto(ARG)
Cuba
Cuba
Russia
Lipov(Russia)
China,Russia)
Shaanxi(China)
Xinjiang(China)
Orenburg(Russia)
Russia
Donguz(Russia)

Russia
Spasskoe(Russia)
Russia
Zheshart(Russia)
China
Shanxi(China)
Canada
British Columbia(Cnda)
Germany
Germany
Scotland
Scotland
Switzerland
Switzerland
W USA
Kansas(US)
Texas(US)
Texas(US)
Australia
Queensland(AU)
S Australia(AU)
W USA,Mexico
California(US)
California(US)
Russia
Russia
E USA
Virginia(US)

USA

Europe,W USA
Germany
Colorado(US)
Wyoming(US)
Wyoming(US)
Wyoming(US)
Wyoming(US)
Colorado(US)

Wyoming(US)
Colorado(US)
New Mexico(US)
Switzerland
Wyoming(US)
Germany
China
Nei Monggol(China)
China
Shanxi,Shaanxi(China)
W USA
Kansas(US)
China
Liaoning(China)
Liaoning(China)
Colombia
Colombia
Russia
Ul'yanovsk(Russia)
Moscow(Russia)
Moscow(Russia)
Ul'yanovsk(Russia)



China
Tongchuan(China)
S Africa
S Africa

S   Africa
S   Africa
S   Africa
S   Africa

S Africa
S Africa
China
Xinjiang(China)
China
Lufeng(China)
China
Sichuan(China)
Germany,USA
Germany

Germany

USA
Mexico
La Boca(Mxco)



W USA
New Mexico(US)
N America

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:730
posted:7/12/2011
language:English
pages:178