Plesiosaur



[plee-see-uh-sawr] /ˈpli si əˌsɔr/

noun
1.
any marine reptile of the extinct genus Plesiosaurus, from the Jurassic and Cretaceous periods, having a small head, a long neck, four paddlelike limbs, and a short tail.
/ˈpliːsɪəˌsɔː/
noun
1.
any of various extinct marine reptiles of the order Sauropterygia, esp any of the suborder Plesiosauria, of Jurassic and Cretaceous times, having a long neck, short tail, and paddle-like limbs See also ichthyosaur Compare dinosaur, pterosaur
plesiosaur
(plē’sē-ə-sôr’)
Any of various large, extinct marine reptiles of the genus Plesiosaurus and related genera of the Mesozoic Era. Most plesiosaurs had a small head on a long neck and a broad body with paddlelike limbs; one group had a large head on a short neck. The exact relationship between plesiosaurs and other reptiles is not known.

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    n. 1825, from Modern Latin Pleisiosaurus (1821), coined by English paleontologist William Daniel Conybeare (1787-1857) from Greek plesios “near,” related to pelas, + -saurus.

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