Pseudohynobius Fei and Yang, 1983, Amph. Res., Kunming, 2: 1. Type species: Hynobius flavomaculatus Hu and Fei, 1978, by original designation.
Protohynobius Fei and Ye, 2000, Cultum Herpetol. Sinica, 8: 65, 70. Type species: Protohynobius puxiongensis Fei and Ye, 2000, by original designation. Synonymy by Peng, Zhang, Xiong, Gu, Zeng, and Zou, 2010, Mol. Phylogenet. Evol., 56: 257.
None noted.
Western Hubei, northern Guizhou and Sichuan provinces, China, extending south to the northernmost spurs of the Guizhou Plateau, 1700-1845 m elevation.
Considered a synonym of Ranodon by Zhao and Hu, 1984, Stud. Chinese Tailed Amph.: 62, Zhao and Wu, 1995, Sichuan J. Zool., 14: 20-24; Xu, 2001, Sichuan J. Zool., 20: 180; and Kuzmin and Thiesmeier, 2001, Adv. Amph. Res. Former Soviet Union, 6: 13. Recognized as distinct by Ye, Fei, and Hu, 1993, Rare and Economic Amph. China 46; Fei, 1999, Atlas Amph. China; and Fei and Ye, 2001, Color Handbook Amph. Sichuan: 44; and Zhang, Chen, Zhou, Liu, Wang, Papenfuss, Wake, and Qu, 2006, Proc. Natl. Acad. Sci. USA, 103: 7360-7365. Zeng, Fu, Chen, Tian, and Chen, 2006, Biochem. Syst. Ecol., 34: 467-477, suggested on the basis of molecular evidence that Liua and Pseudohynobius are sister taxa and that at least two species remain unnamed in Pseudohynobius, one a population from Kuankuoshui (now Pseudohynobius kuankuoshuiensis) and the other from Jinfoshan and Baimashan (now Pseudohynobius jinfo), both in the Dalou Mountain area. Wei, Xiong, and Zeng, 2009, Zootaxa, 2149: 62-68, provided a key to the four species in the genus. Pyron and Wiens, 2011, Mol. Phylogenet. Evol., 61: 543-583, suggested a phylogenetic placement of Pseudohynobius but did not include Protohynobius in their analysis and retained it as a genus without comment.
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