Ornithischia — synonyms, definition

1. Ornithischia (Noun)

order Ornithischia

Ornithischia (Noun) — Extinct terrestrial reptiles having bird-like pelvises: armoured dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods).

animal order Euronithopoda Marginocephalia Ornithopoda Thyreophora euronithopod genus Pisanosaurus genus Staurikosaurus marginocephalian ornithischian ornithischian dinosaur suborder Euronithopoda suborder Marginocephalia suborder Ornithopoda suborder Thyreophora thyreophoran Archosauria subclass Archosauria