Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Soricomorpha Gregory, 1910 see Suborder Soricomorpha Gregory, 1910
       Family Soricidae Fischer, 1814 - shrews
         Subfamily Soricinae Fischer, 1814
           Tribe Blarinini Stirton, 1930
             Genus Blarina Gray, 1838 - short-tailed shrews
               Blarina peninsulae Merriam, 1895