Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     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
           1 Spalax arenarius Reshetnik, 1939
           2 Spalax giganteus Nehring, 1898
           3 Spalax graecus Nehring, 1898
           4 Spalax microphthalmus Güldenstaedt, 1770
           5 Spalax polonicus Méhely, 1909 see Spalax zemni Erxleben, 1777