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 Mesurethra [monotypic]
           Superfamily Clausilioidea Gray, 1855 [monotypic]
             Family Clausiliidae Gray, 1855
               Subfamily Neniinae Wenz, 1923
                 01 Genus Nenia Adams & Adams, 1855
                 02 Genus Andinia Polinski, 1922
                 03 Genus Bequaertinenia Weyrauch, 1964
                 04 Genus Columbinia Polinski, 1924
                 05 Genus Gibbonenia Zilch, 1954
                 06 Genus Gonionenia Pilsbry, 1926
                 07 Genus Gracilinenia Poliński, 1922
                 08 Genus Grandinenia Minato & Chen, 1984
                 09 Genus Hemicena Pilsbry, 1949
                 10 Genus Incaglaia Pilsbry, 1949
                 11 Genus Incania Polinski, 1922
                 12 Genus Indonenia Ehrmann, 1927
                 13 Genus Neniatracta Pilsbry, 1926
                 14 Genus Peruinia Polinski, 1922
                 15 Genus Pfeifferiella Weyrauch, 1957
                 16 Genus Pseudogracilinenia Loosjes & Loosjes-van Bemmel, 1984
                 17 Genus Steatonenia Pilsbry, 1926
                 18 Genus Steeriana Jousseaume, 1900
                 19 Genus Temesa Adams & Adams, 1855
                 20 Genus Zilchiella Weyrauch, 1957