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 Hydrobiidae Stimpson, 1865
             Subfamily Lithoglyphinae Tryon, 1866
               01 Genus Lithoglyphus Pfeiffer, 1828
               02 Genus Antrobia Hubricht, 1971
               03 Genus Fluminicola Stimpson, 1865
               04 Genus Hypsobia Heude, 1890
               05 Genus Lepyrium Dall, 1896
               06 Genus Lithoglyphopsis Thiele, 1928
               07 Genus Manningiella Brandt, 1970
               08 Genus Parapyrgula Annandale, 1919
               09 Genus Pilsbryus Yen, 1944
               10 Genus Saduniella Brandt, 1970
               11 Genus Shadinia Akramovskii, 1976
               12 Genus Somatogyrus Gill, 1863
               13 Genus Taihua Annandale, 1924
               14 Genus Wykoffia Brandt, 1968