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
Otomys irroratus (Brants, 1827) - vlei rat