Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Diprotodontia Owen, 1866
       Suborder Phalangeriformes Szalay, 1982
         Superfamily Petauroidea Bonaparte, 1838
           Family Petauridae Bonaparte, 1838 - gliding, ring-tailed, and striped possums
             1 Genus Dactylopsila Gray, 1858 - striped possums
             2 Genus Gymnobelideus McCoy, 1867 - Leadbeater's possum
             3 Genus Petaurus Shaw, 1791 - lesser gliding possums