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 Polygyroidea Pilsbry, 1895 see Superfamily Helicoidea Rafinesque, 1815
             Family Polygyridae Pilsbry, 1895
               Subfamily Ashmunellinae Webb, 1954 see Tribe Ashmunellini Webb, 1954
                 Genus Ashmunella Pilsbry & Cockerell, 1899