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 Cerithiopsidae Adams & Adams, 1853
Subfamily Cerithiopsinae Adams & Adams, 1853
Tribe Seilini Golikov & Starobogatov, 1975, stat. inval.
see Subfamily Seilinae Golikov & Starobogatov, 1975
Genus Seila Adams, 1861
Subgenus Notoseila Finlay, 1927