Distribution of some species of the genus Achalinus, Red star: the type locality of A. nanshanensis sp. nov. (HNNU230902, HNNU230903): Nanshan Nation Park, Shaoyang City, Hunan Province, China; A. nanshanensis sp. nov. (HNNU230901): Tongdao County, Huaihua City, Hunan Province, China. Blue triangle: the type locality of A. yangdatongi in Xichou County, Yunnan Province; Black circle: the type locality of A. damingensis in Shanglin County, Guangxi Province. Purple diamond: the type locality of A. hunanensis in Hecheng District and Ningxiang County, Hunan Province.