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 Sminthopsini Archer, 1982
             Genus Sminthopsis Thomas, 1887 - narrow-footed marsupial "mice"
               Sminthopsis dolichura Kitchener et al., 1984