Phylum Mollusca Linnaeus, 1758 - molluscs
   Subphylum Conchifera Gegenbauer, 1878
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Subclass Orthogastropoda Ponder & Lindberg, 1995
         Superorder Caenogastropoda Cox, 1960
           Order Sorbeoconcha Ponder & Lindberg, 1997
             Suborder Hypsogastropoda Ponder & Lindberg, 1997
               Infraorder Littorinimorpha Pchelintsev, 1963
                 Superfamily Rissooidea Gray, 1847
                   Family Hydrobiidae Stimpson, 1865
                     1 Subfamily Hydrobiinae Stimpson, 1865
                     2 Subfamily Littoridininae Thiele, 1928
                     3 Subfamily Potamopyrginae Boeters, 1984 see Subfamily Tateinae Thiele, 1925