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 Arionoidea Gray, 1840
             Family Arionidae Gray, 1840
               Subfamily Binneyinae Cockerell, 1891 see Family Binneyidae Cockerell, 1891
                 Genus Binneya Cooper, 1863
                   1 Subgenus Allothyra Pilsbry, 1948