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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 Plesiopleurodon ： ウィキペディア英語版 Plesiopleurodon ''Plesiopleurodon'' is an extinct genus of plesiosauroid from the Late Cretaceous of North America. It was named by Carpenter based upon a complete skull and lower jaws, neck vertebrae, and a right coracoid.〔 It was collected from the Belle Fourche Shale (lower Cenomanian), in the Rattlesnake Hills of Wyoming. In naming the specimen, Carpenter (1996, p. 264) noted "Of all known pliosaurs, ''Plesiopleurodon wellesi'' most closely resembles ''Liopleurodon ferox'' from the Oxfordian of Europe, hence the generic reference." The species is characterized by a moderately long symphysis bearing 8 pairs of teeth, teeth that are nearly circular in cross-section and which are smooth on the outer surface (except near the base), ribs of the neck vertebrae being singled-headed (double-headed in Jurassic pliosaurs), and a long slender interpectoral bar on the coracoid. ==See also== * List of plesiosaur genera * Timeline of plesiosaur research 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「Plesiopleurodon」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.