GÉNIER, F. Three new species of Onthophagus Latreille, 1802 from Bioko Island, Equatorial Guinea, belonging to d’Orbigny’s group IX, with a taxonomic note on O. denudatus d’Orbigny, 1902 (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini). Zootaxa, Auckland, New Zealand, v. 5831, n. 3, p. 413–426, 2026. DOI: 10.11646/zootaxa.5831.3.6. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.5831.3.6. Acesso em: 19 jun. 2026.