David, Patrick, Olivier S. G. Pauwels, Truong Quang Nguyen, and Gernot Vogel. 2015. “On the Taxonomic Status of the Thai Endemic Freshwater Snake Parahelicops boonsongi, With the Erection of a New Genus (Squamata: Natricidae)”. Zootaxa 3948 (2). Auckland, New Zealand:203–217. https://doi.org/10.11646/zootaxa.3948.2.3.