Predominant group of arthropods, placed within the class
Hexapoda along with the Protura
?, Collembola
?, and Diplura
?. The only group other than vertebrates to have developed flight.
- Order Archaeognatha? (Jumping bristletails)
- Order Monura? - extinct
- Order Thysanura? (Common bristletails: silverfish, firebrats)
- Pterygota?, the winged insects
- Order Palaeodictyoptera? - extinct
- ...
- Order Ephemeroptera? (Mayflies)
- Order Odonata? (Dragonflies and damselflies)
- Neoptera?, insects with folding wings
- Order Blattodea? (Cockroaches)
- Order Mantodea? (Mantids)
- Order Isoptera? (Termites)
- Order Zoraptera? (Zorapterans)
- Order Grylloblattodea? (Ice Insects)
- Order Dermaptera? (Earwigs)
- Order Plecoptera? (Stoneflies)
- Order Orthoptera? (Grasshoppers, crickets, and katydids)
- Order Phasmatodea? (Walking sticks, timemas)
- Order Embioptera? (Webspinners)
- Various extinct orders
- Hemipterodea?
- Order Psocoptera? (Booklice and barklice)
- Order Pthiraptera? (Sucking and chewing lice)
- Order Hemiptera? (True bugs, cicadas and kin - formerly Heteroptera + Homoptera)
- Order Thysanoptera? (Thrips)
- Endopterygota?, insects with complete metamorphosis
- Order Miomoptera? - extinct
- Order Megaloptera? (Alderflies, dobsonflies, and fishflies)
- Order Raphidioptera? (Snakeflies)
- Order Neuroptera? (Net-veined insects)
- Order Coleoptera (Beetles)
- Order Strepsiptera? (Twisted-winged parasites)
- Order Mecoptera? (Scorpionflies and kin)
- Order Siphonaptera? (Fleas)
- Order Diptera? (Flies)
- Order Trichoptera? (Caddisflies)
- Order Lepidoptera? (Butterflies and moths)
- Order Hymenoptera (Bees, ants, wasps, sawflies, and kin)
Let's not overlook the (genus?)
Nupedia, a kind of fly! ;-)