Class Mammalia Linnaeus, 1758 - mammals
Order Diprotodontia Owen, 1866
01 Family Phascolarctidae Owen, 1839
02 Family Vombatidae Burnett, 1830 - wombats
03 Family Phalangeridae Thomas, 1888 - possums and cuscuses
04 Family Potoroidae Gray, 1821 - rat-kangaroos
05 Family Macropodidae Gray, 1821 - wallabies and kangaroos
06 Family Burramyidae Broom, 1898 - pygmy possums
07 Family Pseudocheiridae Winge, 1893
08 Family Petauridae Bonaparte, 1838 - gliding, ring-tailed, and striped possums
09 Family Tarsipedidae Gervais & Verreaux, 1842
10 Family Acrobatidae Aplin, 1987