Class [Mammalia] Linnaeus, 1758 - mammals
  
 Order Rodentia Bowdich, 1821 - rodents
    
 Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
      
 Subfamily Cricetinae Fischer de Waldheim, 1817 - hamsters
        
 Genus Calomyscus Thomas, 1905 - mouse-like hamsters
          
 Calomyscus urartensis Vorontsov & Kartavseva, 1979