Class Mammalia Linnaeus, 1758 - mammals
Order Rodentia Bowdich, 1821 - rodents
Suborder Sciurognathi (Tullberg, 1899)
see Suborder Sciuromorpha Brandt, 1855
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 occidentalis Dieterlen & Van der Straeten, 1992
08 Otomys saundersiae Roberts, 1929 - Saunder's vlei rat
09 Otomys sloggetti Thomas, 1902 - Sloggett's vlei rat
10 Otomys tropicalis Thomas, 1902
11 Otomys typus Heuglin, 1877
12 Otomys unisulcatus F. Cuvier, 1829 - bush Karroo rat
13 Subgenus Anchotomys Thomas, 1918
see Genus Otomys Cuvier, 1824