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 Hydrobiinae Stimpson, 1865
Genus Hydrobia Hartmann, 1821
Subgenus Tournoueria Brusina, 1870