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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Plotosaurus ： ウィキペディア英語版 Plotosaurus ''Plotosaurus'' ("swimmer lizard") is an extinct genus of mosasaur from the Upper Cretaceous (Maastrichtian) of Fresno County, California. Originally named ''Kolposaurus'' (meaning "bay lizard") by Berkeley paleontologist Charles Lewis Camp in 1942, it was changed to ''Plotosaurus'' in 1951 when Camp discovered the name had already been assigned to a type of nothosaur. ==Description== Plotosaurs possessed several adaptations to marine life not seen in other mosasaurs. Compared with their relatives, they had narrower flippers, large tail fins and a streamlined fusiform body shape. These features probably enabled them to be faster swimmers than most other mosasaurs . They also had relatively large eyes for keen eyesight, and impressions found with their fossils suggest that they had scaly skin.〔 Based on cladistic analysis, plotosaurs are considered to be the most derived branch of mosasaur evolution. 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「Plotosaurus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.