Pachyhynobius

Pachyhynobius shangchengensis, the Shangcheng stout salamander, is a species of salamander in the family Hynobiidae. It is monotypic within the genus Pachyhynobius. It is named after its type locality, Shangcheng. It is endemic to the Dabie Mountains in central China (Hubei, Henan, and Anhui Provinces). Its natural habitats are subtropical moist lowland forests, montane forests, and rivers. It is threatened by habitat loss.
The Shancheng stout salamander is stout, with a cylindrical body and pronounced sexual dimorphism: the adult male develops a thick, broad head. Adult males have a total length of and females of about .