Class Mammalia Linnaeus, 1758 - mammals Order Primates Linnaeus, 1758 - primates Family Lemuridae Gray, 1821 - large lemurs Genus Lemur Linnaeus, 1758 - ring-tailed lemur Lemur griseus É. Geoffroy Saint-Hilaire, 1812 see Hapalemur griseus (Link, 1795)