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 Pupillidae Turton, 1831
               Subfamily Lauriinae Steenberg, 1925 see Family Lauriidae Steenberg, 1925
                 Genus Leiostyla Lowe, 1852
                   1 Subgenus Azoripupa Pilsbry, 1923
                   2 Subgenus Craticula Lowe, 1852
                   3 Subgenus Mastula Lowe, 1852
                   4 Subgenus Scarabella Lowe, 1855
                   5 Subgenus Wollastonula Pilsbry, 1922