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 Architaenioglossa Haller, 1890
Superfamily Cerithioidea Fleming, 1822
Family Thiaridae Gill, 1871 (1823)
Subfamily Thiarinae Gill, 1871 (1823)
Genus Fijidoma Morrison, 1952