Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Subphylum Conchifera Gegenbauer, 1878
             Order Monotocardia
               Suborder Taenioglossa see Order Mesogastropoda Thiele, 1925
                 Superfamily Rissoidea see Superfamily Rissooidea Gray, 1847
                   Family Hydrobiidae Stimpson, 1865
                     Genus Hydrobia Hartmann, 1821