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 Aepyprymnus Garrod, 1875 - rufous "rat"-kangaroo Aepyprymnus rufescens (Gray, 1837) - rufous "rat"-kangaroo