Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Craniata Linnaeus, 1758 see Subphylum Vertebrata Cuvier, 1812
     Class Mammalia Linnaeus, 1758 - mammals
       Subclass Theria Parker & Haswell, 1897
         Infraclass Marsupialia Jameson, 1818 see Cohort Marsupialia Jameson, 1818
           Order Diprotodontia Owen, 1866
             Suborder Phalangeriformes Szalay, 1982
               Superfamily Petauroidea Bonaparte, 1838
                 1 Family Pseudocheiridae Winge, 1893
                 2 Family Petauridae Bonaparte, 1838 - gliding, ring-tailed, and striped possums
                 3 Family Tarsipedidae Gervais & Verreaux, 1842
                 4 Family Acrobatidae Aplin, 1987