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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 Epihippus ： ウィキペディア英語版 Epihippus ''Epihippus'' is an extinct genus of the modern horse family Equidae that lived in the Eocene, from 46 to 38 million years ago. ''Epihippus'' is believed to have evolved from ''Orohippus'', which continued the evolutionary trend of increasingly efficient grinding teeth. ''Epihippus'' had five grinding, low-crowned cheek teeth with well-formed crests. A late species of ''Epihippus'', sometimes referred to as ''Duchesnehippus intermedius'', had teeth similar to Oligocene equids, although slightly less developed. Whether ''Duchesnehippus'' was a subgenus of ''Epihippus'' or a distinct genus is disputed. This is an early species of a horse. ==See also== * Evolution of the horse 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「Epihippus」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.