Class [Mammalia] Linnaeus, 1758 - mammals Order Primates Linnaeus, 1758 - primates Family Cercopithecidae Gray, 1821 - Old World monkeys Subfamily Cercopithecinae Gray, 1821 Genus Mandrillus Ritgen, 1824 - forest baboons Mandrillus leucophaeus (F. Cuvier, 1807) - drill