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 Barleeidae orth. inval.
see Family Barleeiidae Gray, 1857
Subfamily Teinostomatinae Cossmann, 1917 [monotypic]
Genus Teinostoma Adams & Adams, 1853
Subgenus Eutinochilus Cossmann, 1918