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Definition of Plesiosaurus
1. Noun. Extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous.
Exact synonyms: Plesiosaur
Generic synonyms: Archosaur, Archosaurian, Archosaurian Reptile
Group relationships: Genus Plesiosaurus
Generic synonyms: Archosaur, Archosaurian, Archosaurian Reptile
Group relationships: Genus Plesiosaurus
Definition of Plesiosaurus
1. n. A genus of large extinct marine reptiles, having a very long neck, a small head, and paddles for swimming. It lived in the Mesozoic age.
Medical Definition of Plesiosaurus
1.
Origin: NL, fr. Gr near + a lizard.
Lexicographical Neighbors of Plesiosaurus
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