Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Diprotodontia Owen, 1866 Suborder Macropodiformes Ameghino, 1889 Family Macropodidae Gray, 1821 - wallabies and kangaroos Subfamily Macropodinae Gray, 1821 Genus Dorcopsis Schlegel & Müller, 1845 - New Guinean forest wallabies Dorcopsis hageni Heller, 1897 - greater forest wallaby