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 Camenoidea Millard, 1996, orth. inval. see Superfamily Camaenoidea Pilsbry, 1895
             Family Solaropsidae Nordsieck, 1986 see Family Pleurodontidae Ihering, 1912
               Genus Psadara Miller, 1878