Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
       Subfamily Otomyinae Thomas, 1897 - African swamp rats see Subfamily Murinae Batsch, 1788
         Genus Otomys Cuvier, 1824 - African swamp rats
           01 Otomys anchietae Bocage, 1882
           02 Otomys angoniensis Wroughton, 1906 - Angoni vlei rat
           03 Otomys denti Thomas, 1906
           04 Otomys irroratus (Brants, 1827) - vlei rat
           05 Otomys laminatus Thomas & Schwann, 1905 - laminate vlei rat
           06 Otomys maximus Roberts, 1924 - large vlei rat
           07 Otomys saundersiae Roberts, 1929 - Saunder's vlei rat
           08 Otomys sloggetti Thomas, 1902 - Sloggett's vlei rat
           09 Otomys tropicalis Thomas, 1902
           10 Otomys typus Heuglin, 1877
           11 Otomys unisulcatus F. Cuvier, 1829 - bush Karroo rat