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 Anadeninae Pilsbry, 1948 see Family Anadenidae Pilsbry, 1948
                 Genus Anadenus Heynemann, 1863