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ORNITHISCHIA
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I. (noun)
Sense 1
Meaning:
Extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
Synonyms:
order Ornithischia; Ornithischia
Classified under:
Hypernyms ("Ornithischia" is a kind of...):
animal order (the order of animals)
Meronyms (members of "Ornithischia"):
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)
euronithopod; Euronithopoda; Ornithopoda; suborder Euronithopoda; suborder Ornithopoda (widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon))
Holonyms ("Ornithischia" is a member of...):
Archosauria; subclass Archosauria (a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts)
