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Lutra is a genus of otters. It is one of seven in the subfamily Lutrinae. ==Taxonomy and evolution== The genus includes the following living species: *''Lutra lutra'' – European otter *''Lutra sumatrana'' – hairy-nosed otter *''Lutra nippon'' – Japanese otter - recently extinct The genus most likely evolved in Asia during the late Pliocene epoch; the oldest fossil belonging to the genus is of the species ''Lutra palaeindica'', and dates from the late Pliocene. 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「Lutra」の詳細全文を読む スポンサード リンク
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