Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Dasyuromorphia Gill, 1872
       Family Dasyuridae Goldfuss, 1820 - marsupial "mice" and "cats", and Tasmanian devil
         Subfamily Sminthopsinae Archer, 1982
           Tribe Planigalini Archer, 1982
             Genus Planigale Troughton, 1928 - flat-skulled marsupial "mice"
               1 Planigale gilesi Aitken, 1972 - paucident planigale
               2 Planigale ingrami (Thomas, 1906) - long-tailed planigale
               3 Planigale maculata (Gould, 1851) Archer, 1976 - common planigale
               4 Planigale novaeguineae Tate & Archbold, 1941 - Papua marsupial mouse
               5 Planigale tenuirostris Troughton, 1928 - narrow-nosed planigale