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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 Orcinus citoniensis ： ウィキペディア英語版 Orcinus citoniensis ''Orcinus citoniensis'' is an extinct species of whale belonging to the family Delphinidae that lived from in the Pliocene. The now-extinct species was related to the modern killer whale. It was described based on an incomplete skull found in Italy, which lacks the rear and left side, but had the back side. It had 28 teeth in each jaw, unlike the current orca which has on average 24 teeth in each jaw. This specimen could be 4 metres long and had the appearance of a small killer whale, so it could be a transitional species between early dolphins and the modern killer whale. == References == 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「Orcinus citoniensis」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.