Morón, M. A., Tapia, A. M., & Aragón, A. (2003).

Two new species of the genus Orizabus Fairmaire (Coleoptera: Scarabaeidae: Dynastinae) from southern and central Mexico

. Zootaxa, 176(1), 1–8. https://doi.org/10.11646/zootaxa.176.1.1