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 Opisthobranchia Milne-Edwards, 1848
Suborder Thecosomata Blainville, 1824 - shelled pteropods
Family Cavoliniidae Gray, 1850 (1815)
1 Subfamily Cavoliniinae Gray, 1850 (1815)
2 Subfamily Clioniinae van der Spoel, 1967
3 Subfamily Cuvierininae van der Spoel, 1967, nom. protect.