 Class Mammalia Linnaeus, 1758 - mammals
 Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
 Order Rodentia Bowdich, 1821 - rodents
     Suborder Sciurognathi (Tullberg, 1899)
 see Suborder Sciuromorpha Brandt, 1855
 Suborder Sciurognathi (Tullberg, 1899)
 see Suborder Sciuromorpha Brandt, 1855
       Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
 Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
         Subfamily Petromyscinae Roberts, 1951
 Subfamily Petromyscinae Roberts, 1951
           Genus Delanymys Hayman, 1962 - Delany's swamp mouse
 Genus Delanymys Hayman, 1962 - Delany's swamp mouse
             1 Delanymys brooksi Hayman, 1962 - Delany's swamp mouse
 1 Delanymys brooksi Hayman, 1962 - Delany's swamp mouse