[Mammalia] Linnaeus, 1758 - mammals Primates Linnaeus, 1758 - primates Cercopithecidae Gray, 1821 - Old World monkeys Cercopithecinae Gray, 1821 Allenopithecus Lang, 1923 - Allen's monkey Allenopithecus nigroviridis (Pocock, 1907) - Allen's swamp monkey