Murphy, J. C., Voris, H. K., & Karns, D. R. (2012). The dog-faced water snakes, a revision of the genus Cerberus Cuvier, (Squamata, Serpentes, Homalopsidae), with the description of a new species. Zootaxa, 3484(1), 1–34. https://doi.org/10.11646/zootaxa.3484.1.1