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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 Buxolestes ： ウィキペディア英語版 Buxolestes Buxolestes is an extinct genus of semi-aquatic, non-placental eutherian mammals belonging to the family Pantolestidae. Species in this genus were part of the first placental evolutionary radiation during the Middle Eocene (50-40 mya). == Description == Buxolestes species were otter-like freshwater fish predators with a body length reaching about and a tail about long. They were significantly smaller than most living species of otters. Fossilized stomach contents confirm their semiaquatic freshwater habits. The anatomy of these archaic "insectivorous" mammals is known through well-preserved Middle Eocene specimens found at Messel in Germany. Their structure evidence a clear adaptations to a semiaquatic way of life. The forelimbs and hindlimbs are powerful and show strong claws. The tail is clearly fit for swimming. The skull is long, with large molars that appear to be adapted to a diet of molluscs with shells (freshwater clams and freshwater snails), but the prediliction postulated from the dentition has not been confirmed. 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「Buxolestes」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.