Class [Mammalia] Linnaeus, 1758 - mammals
   Order Insectivora Bowdich, 1821 - insectivores see Superorder Insectivora Bowdich, 1821
     Family Soricidae Fischer, 1814 - shrews
       Genus Megasorex Hibbard, 1950 - giant Mexican shrew
         1 Megasorex gigas (Merriam, 1897) - giant Mexican shrew