Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Superfamily Rissooidea Gray, 1847
           Family Benedictiidae Clessin, 1880 see Subfamily Benedictiinae Clessin, 1880
             Genus Beneictia Millard, 1996, orth. inval. see Genus Benedictia Dybowski, 1875
               1 Subgenus Baicalcochlea Vaught, 1989, orth. inval. see Subgenus Baicalocochlea Lindholm, 1927
               2 Subgenus Dalainoria Lindholm, 1927