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 Cymbuliidae Gray, 1840
1 Subfamily Cymbuliinae Gray, 1840
2 Subfamily Glebinae van der Spoel, 1976