Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Divasibranchia Minichev & Starobogatov, 1975
       Order Basommatophora Keferstein, 1865 see Suborder Basommatophora Keferstein, in Bronn, 1864
         Superfamily Lymnaeoidea Rafinesque, 1815
           Family Lymnaeidae Rafinesque, 1815
             Genus Stagnicola Jeffreys, 1830
               1 Subgenus Berlaniana Kruglov & Starobogatov, 1986
               2 Subgenus Costolimnaea Dybowski, 1913
               3 Subgenus Fenziana Servain, 1881
               4 Subgenus Hinkleyia Baker, 1928
               5 Subgenus Ladislavella Dybowski, 1912
               6 Subgenus Omphiscola Rafinesque, 1819
               7 Subgenus Polyrhitis orth. inval. see Subgenus Polyrhytis Meek, 1876