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
             Genus Petaurus Shaw, 1791 - lesser gliding possums
               1 Petaurus abidi Ziegler, 1981 - northern glider
               2 Petaurus australis Shaw, 1791 - yellow-bellied glider
               3 Petaurus biacensis Ulmer, 1940
               4 Petaurus breviceps Waterhouse, 1838[1839] - sugar glider
               5 Petaurus gracilis (de Vis, 1882[1883])
               6 Petaurus norfolcensis (Kerr, in Linnaeus, 1792) - squirrel glider