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
         (Helicid Sigmurethra)
           Superfamily Helixarionoidea Bourguignat, 1883, orth. inval.
             Family Helixarionidae Bourguignat, 1883, orth. inval. see Family Helicarionidae Bourguignat, 1877
               Subfamily Microcystinae Thiele, 1931
                 Genus Lamprocystis Pfeffer, 1882
                   1 Subgenus Avarua Baker, 1938
                   2 Subgenus Guamia Baker, 1938
                   3 Subgenus Kerakystis Baker, 1938
                   4 Subgenus Manureva Baker, 1938
                   5 Subgenus Moala Baker, 1938
                   6 Subgenus Naiaua Baker, 1938
                   7 Subgenus Raiatea Baker, 1938
                   8 Subgenus Tongacystis Baker, 1938