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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 Simocyon ： ウィキペディア英語版 Simocyon ''Simocyon'' (“short-snouted dog”) is a genus of extinct mammal belonging to the order Carnivora. ''Simocyon'', which was about the size of a mountain lion, lived in the late Miocene and early Pliocene epochs, and has been found in Europe, Asia, and, rarely, North America (Peigné et al., 2005) and Africa. The relationship of ''Simocyon'' to other carnivores has been controversial, but studies of the structure of its ear, teeth, and ankle now indicate that its closest living relative is the red panda, ''Ailurus'' (Wang, 1997; Peigné et al., 2005), although it is different enough to be classified in a separate subfamily (Simocyoninae) along with related genera ''Alopecocyon'' and ''Actiocyon''. While the red panda is primarily herbivorous, the teeth and skull of ''Simocyon'' indicate that it was carnivorous, and it may have engaged in some bone crushing, like living hyaenas (Peigné et al., 2005). The skeleton of ''Simocyon'' indicates that, like the red panda, it could climb trees, although it probably also spent considerable time on the ground (Salesa et al., 2006). ''Simocyon'' and ''Ailurus'' both have a radial sesamoid, an unusual bone in the wrist that acts like a false thumb (Salesa et al., 2006). Its competitors during its time range were tremarctine bears, nimravid cats, and early canids. ==References== * Peigné, S., M. Salesa, M. Antón, and J. Morales. (2005). “Ailurid carnivoran mammal ''Simocyon'' from the late Miocene of Spain and the systematics of the genus.“ Acta Palaeontologica Polonica. Vol. 50:219-238. * Salesa, M., M. Antón, S. Peigné, and J. Morales. (2006). “Evidence of a false thumb in a fossil carnivore clarifies the evolution of pandas.“ Proceedings of the National Academy of Sciences. Vol. 103:379-382. * Wang, X. (1997). “New cranial material of ''Simocyon'' from China, and its implications for phylogenetic relationships to the red panda (''Ailurus'').“ Journal of Vertebrate Paleontology. Vol. 17:184-198. 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「Simocyon」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.