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