We found 1 definitions of order ornithischia from 1 different sources.
Noun |
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order ornithischia - extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods) | ||
Ornithischia, order Ornithischia | ||
animal order the order of animals | ||
archosauria, subclass archosauria a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts | ||
ornithischian, ornithischian dinosaur herbivorous dinosaur with a pelvis like that of a bird | ||
genus pisanosaurus primitive ornithischian dinosaur found in Argentina; early Triassic | ||
genus staurikosaurus primitive ornithischian dinosaur found in Brazil | ||
suborder thyreophora, thyreophora, thyreophoran armored dinosaurs: stegosaurs and ankylosaurs | ||
marginocephalia, marginocephalian, suborder marginocephalia includes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs |