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 Spalacinae Gray, 1821 - blind mole-rats
           Genus Spalax Güldenstaedt, 1770 - Ukrainian blind mole-rats
             Spalax zemni Erxleben, 1777