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''Oxyaena'' ("Sharp" or "Drawn-out" + hyena) is an extinct genus of oxyaenid mammal from the latest Paleocene to early Eocene of North America (most specimens being found in Colorado). The species were superficially cat or wolverine-like, with a flexible body long, and short limbs. ''Oxyaena'' had a broad, low skull (20 cm. long) with a long facial part and a massive lower jaw, while its body and tail were long and its five-toed limbs were short. Often compared to martens or cats, the Oxyaenids tended to have long bodies and tails with short legs. They most likely relied on their sight and hearing for hunting. Unlike true cats, ''Oxyaena'' was plantigrade, treading on the whole surface of its soles. It is presumed that ''Oxyaena'' was a leopard-like predator that could climb trees in search of prey. ==References== Benes, Josef. Prehistoric Animals and Plants. Pg. 203. Prague: Artia, 1979. 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「Oxyaena」の詳細全文を読む スポンサード リンク
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