Guo, Y., Wu, Y., He, S., Shi, H. and Zhao, E. 2011. Systematics and molecular phylogenetics of Asian snail-eating snakes (Pareatidae). Zootaxa. 3001, 1 (Aug. 2011), 57–64. DOI:https://doi.org/10.11646/zootaxa.3001.1.4.