Extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods). Synonym: Ornithischia.
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Words linked to "Order Ornithischia" : thyreophoran, euronithopod, Ornithischia, ornithischian dinosaur, Ornithopoda, genus Staurikosaurus, suborder Marginocephalia, Euronithopoda, suborder Thyreophora, Thyreophora, genus Pisanosaurus, animal order, ornithischian, marginocephalian, subclass Archosauria, Marginocephalia, suborder Euronithopoda, suborder Ornithopoda, Archosauria |
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