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Cryptoclidus
''Cryptoclidus'' ( ) was a genus of plesiosaur (a type of marine reptile) from the Middle Jurassic period of England.〔Brown, David S., and Arthur RI Cruickshank. (The skull of the Callovian plesiosaur ''Cryptoclidus eurymerus'', and the sauropterygian cheek. ) ''Palaeontology'' 37.4 (1994): 941.〕
==Paleobiology==
The fragile build of the head and teeth preclude any grappling with prey, and suggest a diet of small, soft-bodied animals such as squid and shoaling fish. ''Cryptoclidus'' may have used its long, intermeshing teeth to strain small prey from the water, or perhaps sift through sediment for buried animals.
The size and shape of the nares and nasal openings have led Brown and Cruickshank (1994) to argue that they were used to sample seawater for smells and chemical traces.〔Brown and Cruickshank, 1994〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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