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Clymene dolphin
The Clymene dolphin (''Stenella clymene''), in older texts known as the short-snouted spinner dolphin, is a dolphin endemic to the Atlantic Ocean. It is the only confirmed case of hybrid speciation in marine mammals, descending from the spinner dolphin and the striped dolphin.
== Taxonomy ==
The Clymene dolphin was first formally described by John Edward Gray in 1846, although, unusually, he did not assign it its current name until four years later, in 1850.〔 From then on, until a reassessment in 1981, the Clymene dolphin was regarded as a subspecies of the spinner dolphin (''Stenella longirostris'').〔http://www.jstor.org/discover/10.2307/1380405?uid=3739832&uid=2&uid=4&uid=3739256&sid=21104326222933〕 In 1981, Perrin ''et al.'' asserted the Clymene's existence as separate species.〔 Until this time, because Clymenes are relatively remote and were regarded as very similar to the more accessible spinners, they were never heavily studied. Anatomical and behavioral traits suggested that this species is a hybrid of the spinner dolphin (''Stenella longirostris'') and the striped dolphin (''Stenella coeruleoalba''), and DNA testing has shown that it is indeed a hybrid species.〔http://news.nationalgeographic.com/news/2014/01/140111-hybrid-dolphin-species-ocean-animal-science/#〕
The common and scientific names are probably derived from the Greek oceanid Clymene, although it has also been argued that it may instead come from the Greek word for "notorious".〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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