Génier, F. “A Review of the Neotropical Dung Beetle Genera Deltorhinum Harold, 1869, and Lobidion gen. Nov. (Coleoptera: Scarabaeidae: Scarabaeinae)”. Zootaxa, vol. 2693, no. 1, Dec. 2010, pp. 35–48, doi:10.11646/zootaxa.2693.1.3.