Class Mammalia Linnaeus, 1758 - mammals
   Order Diprotodontia Owen, 1866
     01 Family Phascolarctidae Owen, 1839
     02 Family Vombatidae Burnett, 1829[1830], nom. cons. - wombats
     03 Family Phalangeridae Thomas, 1888 - possums and cuscuses
     04 Family Potoroidae (Gray, 1821) Flannery et al., 1984 - rat-kangaroos
     05 Family Macropodidae (Gray, 1821) Owen, 1839 - wallabies and kangaroos
     06 Family Burramyidae Broom, 1898 - pygmy possums
     07 Family Pseudocheiridae (Winge, 1893) Archer, 1984
     08 Family Petauridae (C.L. Bonaparte, 1838) Kirsch, 1968 - gliding, ring-tailed, and striped possums
     09 Family Tarsipedidae Gervais & Verreaux, 1842
     10 Family Acrobatidae Aplin, in Aplin & Archer, in M. Archer, ed., 1987