Oliveira, Classius de, Lia Raquel de Souza Santos, and Rodrigo Zieri. “Anatomical Variations in the Male Reproductive System of Chaunus Ornatus (Wied-Neuwied, 1821) (Anura, Bufonidae)”. Biota Neotropica 7, no. 1 (January 1, 2007). Accessed May 3, 2024. //www.biotaneotropica.org.br/BN/article/view/273.