plesiosauroid
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plesiosauroid — ple·si·o·sau·roid … English syllables
plesiosaur — plesiosauroid, adj. /plee see euh sawr /, n. 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. [ < NL Plesiosaurus (1821),… … Universalium
Plesiosauria — Temporal range: Early Jurassic Late Cretaceous, 199.6–65.5 Ma … Wikipedia
Lusonectes — Lusonectes Rango temporal: Jurásico Inferior, Toarciano … Wikipedia Español