Phylogenetic tree of the genus Achalinus inferred from the CO1 gene fragment (618 bp) using Maximum Likelihood. The support values of each node present on the tree: SH / UFB / BI (the ones lower than 50 are displayed as “-”). A. yunkaiensis is noted in blue and A. sheni sp. nov. is noted in red.

 
 
  Part of: Ma S, Xu Y-H, Qi S, Wang Y-Y, Tang S-S, Huang S, Jiang J-P (2023) Discovery of a new cryptic Achalinus Peters, 1869 (Serpentes, Xenodermidae) species from Hunan Province, China. ZooKeys 1181: 9-27. https://doi.org/10.3897/zookeys.1181.109462