de Albuquerque, Nelson R, and Thales de Lema. “Taxonomic Revision of the Neotropical Water Snake Hydrops triangularis (Serpentes, Colubridae)”. Zootaxa 1685, no. 1 (January 21, 2008): 55–66. Accessed May 1, 2025. https://www.mapress.com/zt/article/view/zootaxa.1685.1.4.