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 Otisorex De Kay, 1842
                 Sorex vagrans complex
                   Sorex vagrans Baird, 1857 - vagrant shrew
                     1 [Sorex vagrans vagrans]ᵀ Baird, 1857
                     2 Sorex vagrans halicoetes Grinnell, 1913
                     3 Sorex vagrans paludivagus von Bloeker, 1939