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 Calomyscinae Vorontsov, Kartavtseva & Potapova, 1978
see Family Calomyscidae Vorontsov & Potapova, 1979
Genus Calomyscus Thomas, 1905 - mouse-like hamsters
Calomyscus urartensis Vorontsov & Kartavseva, 1979