Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Divasibranchia Minichev & Starobogatov, 1975
       Order Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855
         Suborder Elasmognatha Mörch, 1864 see [unranked] Elasmognatha Mörch, 1864
           Superfamily Succineoidea Beck, 1837 [monotypic]
             Family Succineidae Beck, 1837
               Subfamily Succineinae Beck, 1837
                 1 Genus Succinea Draparnaud, 1801
                 2 Genus Boninosuccinea Habe, 1956
                 3 Genus Camptonyx Benson, 1858
                 4 Genus Helisiga Lesson, 1831
                 5 Genus Hyalimax Adams & Adams, 1855
                 6 Genus Laxisuccinea Cooke, 1921
                 7 Genus Omalonyx d'Orbigny, 1838
                 8 Genus Oxyloma Westerlund, 1885