 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 Murinae Batsch, 1788 - Old World mice and rats
 Subfamily Murinae Batsch, 1788 - Old World mice and rats
           Genus Rhynchomys Thomas, 1895 - shrewlike rats
 Genus Rhynchomys Thomas, 1895 - shrewlike rats
             1 Rhynchomys isarogensis Musser & Freeman, 1981 - Isarog shrew-rat
 1 Rhynchomys isarogensis Musser & Freeman, 1981 - Isarog shrew-rat
             2 Rhynchomys soricoides Thomas, 1895 - Mount Data shrew-rat
 2 Rhynchomys soricoides Thomas, 1895 - Mount Data shrew-rat