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 Cryptotis Pomel, 1848 - small-eared shrews
               Cryptotis nigrescens group
                 1 Cryptotis brachyonyx Woodman, 2003
                 2 Cryptotis colombiana Woodman & Timm, 1993
                 3 Cryptotis hondurensis Woodman & Timm, 1992
                 4 Cryptotis mayensis (Merriam, 1901)
                 5 Cryptotis mera Goldman, 1912
                 6 Cryptotis merriami Choate, 1970
                 7 Cryptotis nigrescens (J.A. Allen, 1895) - blackish small-eared shrew