DAVID, P., G. VOGEL, T. Q. NGUYEN, N. L. ORLOV, O. S. G. PAUWELS, A. TEYNIÉ, and T. ZIEGLER. “A Revision of the Dark-Bellied, Stream-Dwelling Snakes of the Genus <em>Hebius</Em> (Reptilia: Squamata: Natricidae) With the Description of a New Species from China, Vietnam and Thailand”. Zootaxa, vol. 4911, no. 1, Jan. 2021, pp. 1–61, doi:10.11646/zootaxa.4911.1.1.