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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 Dicraeosaurus ： ウィキペディア英語版 Dicraeosaurus ''Dicraeosaurus'' (Gr. δικραιος, ''dikraios'' "bifurcated, double-headed" + Gr. σαυρος, ''sauros'' "lizard") is a genus of small diplodocoid sauropod dinosaur. It was named for the spines on the back of the neck. The first fossil was described by paleontologist Werner Janensch in 1914. ==Description== Unlike most diplodocoids, ''Dicraeosaurus'' had a large head with a relatively short and wide neck. The neck contained 12 unusually short vertebrae, so it could probably browse vegetation only from ground level to a height of about . It also lacked the whiplash tail that other diplodocids had. It was smaller, at only reached in length. It gets its name, which means two-forked lizard, from the spines that came from the vertebrae. They were not straight as in some members of the family. Each one was “Y” shaped, like a fork. These spines also provided muscle attachment points. 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「Dicraeosaurus」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.