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plesiosaur
ple·si·o·saur P0372300 (plē′sē-ə-sôr′, plē′zē-)n. pl. ple·si·o·saurs Any of various extinct marine reptiles of the group Plesiosauria of the Mesozoic Era, having paddlelike limbs, a short tail, and sometimes a very long neck. [New Latin Plēsiosaurus, type genus : Greek plēsios, near to; see pel- in Indo-European roots + Greek sauros, lizard.]plesiosaur (ˈpliːsɪəˌsɔː) n (Palaeontology) 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[C19: from New Latin plēsiosaurus, from Greek plēsios near + sauros a lizard]ple•si•o•saur (ˈpli si əˌsɔr) n. any extinct marine reptile of the Jurassic and Cretaceous suborder Plesiosauroidea, having a thick body and paddlelike limbs. [< New Latin Plesiosaurus (1821) genus name < Greek plēsí(os) near, close to + -o- -o- + saûros -saur] ple`si•o•sau′roid, adj. ThesaurusNoun | 1. | plesiosaur - extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceousplesiosaurusarchosaur, archosaurian, archosaurian reptile - extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodontsgenus Plesiosaurus - a reptile genus of suborder Plesiosauria | Translations EncyclopediaSeePlesiosaurusplesiosaur
plesiosaur a member of an order of aquatic reptiles, usually with long necks and paddle-shaped limbs, which lived during the Mesozoic.plesiosaur
Synonyms for plesiosaurnoun extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbsSynonymsRelated Words- archosaur
- archosaurian
- archosaurian reptile
- genus Plesiosaurus
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