Class Mammalia Linnaeus, 1758 - mammals Order Primates Linnaeus, 1758 - primates Family Cebidae Bonaparte, 1831 - New World monkeys Subfamily Cebinae Bonaparte, 1831 1 Genus Cebus Erxleben, 1777 - capuchins 2 Genus Saimiri Voigt, 1831 - squirrel monkeys