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 Soricini Fischer, 1814
             Genus Sorex Linnaeus, 1758 - long-tailed shrews
               Subgenus Sorex Linnaeus, 1758
                 Sorex gracillimus group
                   Sorex gracillimus Thomas, 1907 - slender shrew
                     Sorex gracillimus granti Okhotina, 1993, nom. illeg.