Biology 251: Classification HandoutFall 1996

Phylum Annelida
Phylum Onychophora
Phylum Arthropoda
Subphylum Trilobita
Subphylum Chelicerata
Class Merostomata = horseshoe crabs
Class Arachnida = spiders, scorpions, ticks, mites, etc.
Subphylum Crustacea = crabs, shrimp, barnacles, etc.
Subphylum Atelocerata
Class Diplopoda = millipeds
Class Chilopoda = centipedes
Class Hexapoda = insects
Subclass Entognatha
Order Protura = proturans
Order Collembola = springtails
Order Diplura = diplurans
Subclass Apterygota
Order Microcoryphia = bristletails
Order Thysanura = silverfish, firebrats
Subclass Pterygota
Order Ephemeroptera = mayflies
Order Odonata = dragonflies, damselflies
Order Grylloblattaria = rock crawlers
Order Phasmida = walkingsticks, timemas
Order Orthoptera = grasshoppers, crickets
Order Mantodea = mantids
Order Blattaria = cockroaches
Order Isoptera = termites
Order Dermaptera = earwigs
Order Embiidina = webspinners
Order Plecoptera = stoneflies
Order Zoraptera = zorapterans
Order Psocoptera = psocids
Order Phthiraptera = lice
Order Hemiptera = true bugs
Order Homoptera = cicadas, hoppers, etc.
Order Thysanoptera = thrips
Order Neuroptera = alderflies, fishflies, lacewings, etc.
Order Coleoptera = beetles
Order Strepsiptera = twisted-winged parasites
Order Mecoptera = scorpionflies
Order Siphonaptera = fleas
Order Diptera = flies
Order Trichoptera = caddisflies
Order Lepidoptera = butterflies, moths
Order Hymenoptera = sawflies, ants, bees, wasps, etc.