ornithischian Definition

ornithischian dinosaur, dinosaur, dinosaurs, marginocephalian, psittacosaur, ornithomimid, ceratosaur, theropod, maniraptor, oviraptorid, marginocephalia, ceratopsia, euronithopoda, maniraptora, hadrosauridae, megalosaur, apatosaur, sauropod, thyreophora, suborder ceratosaura, hadrosaur, ceratopsian, ornithopod, ornithomimida, saurischian, archosaurian, genus ankylosaurus, dromaeosaur, titanosaur, diplodocus, iguanodon, allosaurus, carnosaura, triceratops, oviraptor, plesiosaur, iguanodont, brachiosaurus, tyrannosaurus rex, dicynodont, nothosaur, prosauropod, tyrannosaur, pterosaur, ichthyosauria, thunder lizard, apatosaurus, therapsida, pachycephalosaur, ankylosaur, stegosaur, australopithecine, amniota, sauropodomorpha, therapsid, titanosauridae, ankylosaurus, tyrannosaurus, genus australopithecus, edaphosaurus, synapsid, ichthyosaur, hominid, prototherian, cretaceous, woolly mammoth, stegosaurus, brontosaurus, dryopithecus, homo erectus, proboscidean, archaeopteryx, herbivorous, encrinus, dimetrodon, ichthyosauridae, anthracothere, theropoda, ornithischia, toxodon, deinonychus, gomphothere, rhynchonella, galerite, jurassic, tetrapod, genus homo, megatheroid, dicynodontia, sordes, trilobite, encrinital, velociraptor, permian period, chalicothere, megathere, cenozoic era, mesozoic era, encrinite, amniote,