Class [Mammalia] Linnaeus, 1758 - mammals Order Primates Linnaeus, 1758 - primates Family Cercopithecidae Gray, 1821 - Old World monkeys Subfamily Cercopithecinae Gray, 1821 Genus Cercopithecus Linnaeus, 1758 - guenons Cercopithecus mitis Wolf, 1822 - diademed monkey