Phylum Mollusca Linnaeus, 1758 - molluscs
Subphylum Conchifera Gegenbauer, 1878
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Orthogastropoda Ponder & Lindberg, 1995
Superorder Heterobranchia Burmeister, 1837
Order Heterostropha Fischer, 1885
Superfamily Pyramidelloidea Gray, 1840
Family Syrnolidae Saurin, 1958
see Subfamily Syrnolinae Saurin, 1958
Subfamily Tiberiinae Saurin, 1958
see Tribe Tiberiini Saurin, 1958