Scartozzoni, Rodrigo R., e Otavio A. V. Marques. “Sexual Dimorphism, Reproductive Cycle, and Fecundity of the Water Snake Ptychophis Flavovirgatus (Serpentes, Colubridae)”. Phyllomedusa: Journal of Herpetology 3, no. 1 (junho 1, 2004): 69–71. Acessado junho 1, 2024. https://revistas.usp.br/phyllo/article/view/42621.