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 Orthurethra Pilsbry, 1900
           Superfamily Pupilloidea Turton, 1831
             Family Valloniidae Morse, 1864
               1 Genus Vallonia Risso, 1826
               2 Genus Acanthinula Beck, 1847
               3 Genus Klemmia Gittenberger, 1969
               4 Genus Planogyra Morse, 1864
               5 Genus Sagdellina Cossmann, 1889
               6 Genus Spelaeodiscus Brusina, 1886
               7 Genus Virpazaria Gittenberger, 1969
               8 Genus Zoogenetes Morse, 1864