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The smooth-backed frog, ''Rana psilonota'', is a species of frog in the Ranidae family endemic to Mexico. Its natural habitats are temperate forests, subtropical or tropical moist montane forests, and rivers. It is threatened by habitat loss. ==Source== * Flores-Villela, O. & Canseco-Márquez, L. 2004. (''Rana psilonota'' ). (2006 IUCN Red List of Threatened Species. ) Downloaded on 23 July 2007. * (1984) A new species of frog of the ''Rana tarahumarae'' group from southwestern Mexico. ''Copeia'' 1984'': 398–403. * (2005): Phylogeny of the New World true frogs (''Rana''). ''Mol. Phylogenet. Evol.'' 34(2): 299–314. (PDF fulltext ). * (2007) Constraints in naming parts of the Tree of Life. ''Mol. Phylogenet. Evol.'' 42: 331–338. 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「Smooth-backed frog」の詳細全文を読む スポンサード リンク
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