Class [Mammalia] Linnaeus, 1758 - mammals
Order Rodentia Bowdich, 1821 - rodents
Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
Subfamily Murinae Batsch, 1788 - Old World mice and rats
Genus Srilankamys Musser, 1981 - Ceylonese rat
Srilankamys ohiensis (Phillips, 1929) - Ohiya rat