Camargo, Isla Carol Marialva, Jackeline Cristina Palma Veras, Síria Ribeiro, Ricardo A. Kawashita-Ribeiro, Rafael de Fraga, e Alfredo P. Santos Junior. 2021. “Sexual Dimorphism in the South American Water Snake Helicops Polylepis (Serpentes: Dipsadidae)”. Phyllomedusa: Journal of Herpetology 20 (1): 15-25. https://doi.org/10.11606/issn.2316-9079.v20i1p15-25.