Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Diprotodontia Owen, 1866 Suborder Macropodiformes Ameghino, 1889 Family Potoroidae Gray, 1821 - rat-kangaroos Genus Potorous Desmarest, 1804 - potoroos Potorous gilbertii (Gould, 1841)