Class Mammalia Linnaeus, 1758 - mammals Order Primates Linnaeus, 1758 - primates Family Cebidae Bonaparte, 1831 - New World monkeys Subfamily Atelinae Gray, 1825 Genus Ateles Geoffroy Saint-Hilaire, 1806 - spider monkeys Ateles belzebuth É. Geoffroy Saint-Hilaire, 1806 - long-haired spider monkey