Goldberg, Stephen R., and Charles R. Bursey. “Coelomic Helminths of Five Colubrid Snake Species (Serpentes, Colubridae) from Costa Rica”. Phyllomedusa: Journal of Herpetology 6, no. 1 (June 1, 2007): 69–72. Accessed January 14, 2026. https://revistas.usp.br/phyllo/article/view/42671.