Class Mammalia Linnaeus, 1758 - mammals
   Order Insectivora Bowdich, 1821 - insectivores see Superorder Insectivora Bowdich, 1821
     Family Soricidae Fischer, 1814 - shrews
       Subfamily Crocidurinae Milne-Edwards, 1872
         Genus Surdisorex Thomas, 1906
           1 Surdisorex norae Thomas, 1906
           2 Surdisorex polulus Hollister, 1916