Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Neritimorpha Koken, 1896 see Order Neritimorpha Golikov & Starobogatov, 1975
       Clade Cycloneritimorpha Frýda, 1998
         Superfamily Helicinoidea Férussac, 1822
           Family Helicinidae Férussac, 1822 - helicinids
             1 Subfamily Helicininae Férussac, 1822
             2 Subfamily Ceratodiscinae Pilsbry, 1927
             3 Subfamily †Dimorphoptychiinae Wenz, 1938
             4 Subfamily Hendersoniinae Baker, 1926
             5 Subfamily Stoastomatinae Adams, 1849
             6 Subfamily Vianinae Baker, 1922