order ornithischia

1. Extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans);
   Boneheaded and horned dinosaurs (marginocephalians);
   Duck-billed dinosaurs (euronithopods) (synset 101702717)
   is a type of: animal order - the order of animals
   member holonym:

   • 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)
   belongs to: archosauria, subclass archosauria - a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts
   same as: ornithischia

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