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
Suborder Ptenoglossa Gray, 1853
see Infraorder Ptenoglossa Gray, 1853
Family Triphoridae Gray, 1847
Subfamily Laiocochliinae [monotypic]
Genus Radocochlis Gründel, 1980