Vaz-De-Mello, F.Z., Edmonds, W.D., Ocampo, F.C. and Schoolmeesters, P. 2011. A multilingual key to the genera and subgenera of the subfamily Scarabaeinae of the New World (Coleoptera: Scarabaeidae). Zootaxa. 2854, 1 (Apr. 2011), 1–73. DOI:https://doi.org/10.11646/zootaxa.2854.1.1.