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Onychonycteris : ウィキペディア英語版 | Onychonycteris
''Onychonycteris'' is the most primitive of the two oldest known monospecific genera of bat, having lived in the area that is current day Wyoming during the Eocene period, 52.5 million years ago. ==History and description== Two specimens of ''Onychonycteris'' were found in the Green River Formation in 2003, and placed in a new family when the discovery was published in ''Nature'', in February 2008. ''Onychonycteris'' occurs alongside ''Icaronycteris index'', previously thought to be the most primitive known bat species. ''Onychonycteris'' was unique among bats in that it had claws on all five fingers, as opposed to two or three in all other known species, hence ''Onychonycteris'' meaning "clawed bat". The specific epithet is a tribute to the fossil prospector and preparator who discovered it, Bonnie Finney.〔
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「Onychonycteris」の詳細全文を読む
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