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 Phalangeroidea Thomas, 1888 see Suborder Phalangeriformes Szalay, 1982
                 Family Burramyidae Broom, 1898 - pygmy possums