- Types:
- show 16 types...
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dinosaur
any of numerous extinct terrestrial reptiles of the Mesozoic era
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flying reptile, pterosaur
an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb
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thecodont, thecodont reptile
presumably in the common ancestral line to dinosaurs and crocodiles and birds
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ichthyosaur
any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs
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plesiosaur, plesiosaurus
extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
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nothosaur
extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming
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ornithischian, ornithischian dinosaur
herbivorous dinosaur with a pelvis like that of a bird
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iguanodon
massive herbivorous bipedal dinosaur with a long heavy tail; common in Europe and northern Africa; early Cretaceous period
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saurischian, saurischian dinosaur
herbivorous or carnivorous dinosaur having a three-pronged pelvis like that of a crocodile
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diplodocus
a huge quadrupedal herbivore with long neck and tail; of late Jurassic in western North America
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titanosaur, titanosaurian
amphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the southern hemisphere
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argentinosaur
huge herbivorous dinosaur of Cretaceous found in Argentina
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ground-shaker, seismosaur
huge herbivorous dinosaur of the Cretaceous found in western North America
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pterodactyl
extinct flying reptile
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ichthyosaurus
ichthyosaurs of the Jurassic
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Stenopterygius quadrisicissus, stenopterygius
an ichthyosaur of the genus Stenopterygius
