Phylum Mollusca Linnaeus, 1758 - molluscs
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Heterobranchia Burmeister, 1837 [monotypic]
see Superorder Heterobranchia Burmeister, 1837
Order Heterostropha Fischer, 1885
Superfamily Pyramidelloidea Gray, 1840
Family Pyramidellidae Gray, 1840
Subfamily Cyclostremellinae D.R. Moore, 1966 [monotypic]
see Tribe Cyclostremellini Moore, 1966
1 Genus Cyclostremella Bush, 1897