Taxonomy
Introduction to Arthropod
classification
“Arthro” – jointed
“pod” - leg Interdisciplinary
Science 40S
Carl Linnaeus (1707-1778)
Suggested a system of classification that could be
used all over the world
•Had been confusion since some organisms had different names in different countries
•binomial nomenclature
(both names in Latin)
•Every organism has its own
name
Ex. Canis familiaris
Now make up your own!
Linnaean Hierarchy
Kingdom King Keen
Phylum Phillip Paleontologists
Class Cuts Can
Order Open Only
Family Five Find
Genus Green Good
Species Snakes Specimens
Arthropod Success
Major Classes of Phylum
Arthropoda
•Arachnida (uh-RAK-nud-duh) spiders, scorpions
•Chilopoda (ky-LAHP-uh-duh) centipedes
•Crustacea (krus-TAY-shee-duh) lobsters, crabs
•Diplopoda (duh-PLAHP-uh-duh) millipedes
•Insecta (ihn-SEHT-uh) moths, beetles
Read more here
Class Insecta Hierarchy
House fly Mosquito
Kingdom Animalia Animalia
Phylum Arthropoda Arthropoda
Class Insecta Insecta
Order Diptera Diptera
Family Muscidae Culicidae
Genus Musca Culex
Species Domestica Pipiens
Characteristics Used to Classify
Insects
• Presence of exoskeleton – hard covering on the
outside of the body (Invertebrates)
• Presence of three body segments – head, thorax,
and abdomen
• Presence of 6 legs – three pairs – one pair is
attached to each segment of the thorax
• Presence of two antennae – sense organs
• Type of mouthparts –piercing, sucking, sponging,
siphoning, and chewing
• Presence/absence of wings (type & number)
Label the parts
head thorax abdomen
antenna
Cmpnd eye
wings
Walking legs spiracles
antenna Answers coxa
trocanter
Cmpnd eye femur
Simple eye
frons gena
clypeus maxilla
mandible tibia
labrum maxillary palps
hypophranyx tarsis
labial palp
claw