Cupello, Mario, and Fernando Z. Vaz-De-Mello. “Correction of the Type Species of the South American Genus Gromphas Brullé, 1837 (Coleoptera: Scarabaeidae: Scarabaeinae: Phanaeini)”. Zootaxa 3790, no. 2 (April 17, 2014): 399–400. Accessed April 22, 2025. https://mapress.com/zt/article/view/zootaxa.3790.2.7.