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Trinacromerum : ウィキペディア英語版 | Trinacromerum
''Trinacromerum'' is an extinct genus of sauropterygian reptile belonging to the plesiosaur suborder. It lived during the Late Cretaceous period in what is now Kansas. ==Description==
It was long. Its teeth show it fed on small fish. The long flippers of ''Trinacromerum'' enabled it to achieve high swimming speeds. Its physical appearance was described by Richard Ellis as akin to a "four-flippered penguin."〔Ellis, 190〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Trinacromerum」の詳細全文を読む
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