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 Vertiginidae Fitzinger, 1833
               Subfamily Vertigininae Fitzinger, 1833 [monotypic]
                 Genus Vertigo Müller, 1773
                   1 Subgenus Alloptyx Pilsbry, 1953
                   2 Subgenus Angustula Sterki, 1888
                   3 Subgenus Vertilla Moquin-Tandon, 1855
                   4 Subgenus Vertillaria Pilsbry, 1919