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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 Protororqualus ： ウィキペディア英語版 Protororqualus ''Protororqualus'' is a genus of extinct rorqual from the late Pliocene (Piacenzian, ) of Mount Pulgnasco, Italy (: paleocoordinates ). The analysis made by identified ''Protororqualus'' as a late representative of the rorquals which survived in the Mediterranean at least until the late Pliocene. This would indicate that the Mediterranean basin played a vital role in preserving primitive rorquals while more derived forms established themselves in other oceans. == Anatomy == The Mount Pulgnasco specimen represents an early rorqual that fed differently from modern species. Compared to the laterally bowed dentaries of the latter, its dentary is more straight, which should have made it impossible to perform the intermittent ram feeding seen in modern rorquals. Another primitive character is that the anterior border of the supraoccipital is triangular and pointed like in Miocene Cetotheriidae. 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「Protororqualus」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.