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 Ampullarioidea Gray, 1824
Family Viviparidae Gray, 1847 (1833)
Subfamily Bellamyinae Rohrbach, 1937
Genus Neothauma Smith, 1880