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Kurixalus Ye, Fei, and Dubois, 1999
Kurixalus Ye, Fei, and Dubois In Fei, 1999, Atlas Amph. China: 383. Type species: Rana eiffingeri Boettger, 1895, by original designation.
Aquixalus Delorme, Dubois, Grosjean, and Ohler, 2005, Bull. Mens. Soc. Linn. Lyon, 74: 166. Type species: Philautus odontotarsus Ye and Fei, 1993, by original designation. Synonymy with Kurixalus by Li, Che, Bain, Zhao, and Zhang, 2008, Mol. Phylogenet. Evol., 48: 31; and Yu, Rao, Zhang, and Yang, 2009, Mol. Phylogenet. Evol., 50: 571-579.
Himalayan front ranges from eastern India through Myanmar and mountainous southern China and south to southern Cambodia and central Vietnam, through western and northern peninsular Thailand to Malaya to Sumatra, Borneo, and the Philippines.
See paper by Wilkinson, Drewes, and Tatum, 2002, Mol. Phylogenet. Evol., 24: 265-273. Matsui and Orlov, 2004, Zool. Sci., Tokyo, 21: 874, discussed the recognition of Kurixalus and considered it premature to recognize the genus pending a synapomorphy for the genus. However, Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 245, did present molecular evidence in support of this taxon, its placement distant from other "Chirixalus", and for the genus to include additional species. Li, Che, Bain, Zhao, and Zhang, 2008, Mol. Phylogenet. Evol., 48: 302-312, redelimited the genus. See comment under Gracixalus. See comment under Chiromantis samkosensis. Yu, Rao, Zhang, and Yang, 2009, Mol. Phylogenet. Evol., 50: 571-579, considered Kurixalus to form the sister taxon of Philautus. The publication by Fei, Hu, Ye, and Huang, 2009, Fauna Sinica, Amph. 2, has provided some challenges. The taxonomy of small rhacophids continues to be difficult, with species formerly to be considered members of Chirixalus (with larvae) and Philautus (with direct development) being at the center of the conversation, affecting several other groups, especially Theloderma, Kurixalus, and nominal Aquixalus. Fei, Hu, Ye, and Huang, 2009, Fauna Sinica, Amph. 2, took the unusual step of applying the name Aquixalus to all Chinese species of nominal Philautus for which no evidence of direct development had been presented. This apparently was done in the manuscript prior to the elucidation of this group by others, and as a result they transferred anything in China that had ever been considered a Philautus to Aquixalus, even if current evidence placed these species in Theloderma or Kurixalus. Moreover, discussion to support this arrangement, which is not corroborated by published lines of evidence was not provided. For this reason, I have attempted to sort out where the various species go in the currently recognized framework of genera (DRF). Pyron and Wiens, 2011, Mol. Phylogenet. Evol., 61: 543-583, confirmed the monophyly of Kurixalus but employed an antiquated taxonomy that obscured this result. Li, Li, Klaus, Rao, Hillis, and Zhang, 2013, Proc. Natl. Acad. Sci. USA, 110: 3441–3446, considered Kurixalus to be monophyletic and the sister taxon of Raorchestes (see comment under Pseudophilautus).
Contained taxa (12 sp.):
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