Class Mammalia Linnaeus, 1758 - mammals Order Diprotodontia Owen, 1866 Family Macropodidae Gray, 1821 - wallabies and kangaroos Genus Onychogalea Gray, 1841 - nail-tailed wallabies ‡Onychogalea lunata (Gould, 1840[1841]) - crescent nailtail wallaby