Kohlmann, B., & Solís, Ángel. (2025). A review of the species groups of the Western Hemisphere Onthophagus Latreille (Coleoptera: Scarabaeidae: Scarabaeinae) using COI barcoding and gene trees. Zootaxa, 5604(4), 401–447. https://doi.org/10.11646/zootaxa.5604.4.1