Order Primates Lemurs (Lemuridae) Indriids (Indriidae) Aye-aye (Daubentoniidae) Sportive lemurs (Lepilemuridae) Cheirogaleids (Cheirogaleidae) Lorisoids (Loridae) Galagos (Galagonidae) Tarsiers (Tarsipedidae) Family Callitrichidae Cebid monkeys (Cebidae) Guenons (Cercopithecidae) Gibbons (Hylobatidae) Apes (Hominidae) Prosimians New World Monkeys Old World Monkeys Apes