Scartozzoni, R. R.; Marques, O. A. V. Sexual Dimorphism, Reproductive Cycle, and Fecundity of the Water Snake Ptychophis Flavovirgatus (Serpentes, Colubridae). Phyllomedusa 2004, 3 (1), 69-71. https://doi.org/10.11606/issn.2316-9079.v3i1p69-71.