Phylum Mollusca Linnaeus, 1758 - molluscs
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs
see Class Gastropoda Cuvier, 1795
Superorder Archaeogastropoda Thiele, 1925
Order Cocculiniformia Hazsprunar, 1987
see Superorder Cocculiniformia Haszprunar, 1987
Superfamily Lepetelloidea Dall, 1882
Family Pseudococculinidae Hickman, 1983
Subfamily Caymanabyssiinae Marshall, 1986
see Family Caymanabyssiidae Marshall, 1986
Genus Copulabyssia Haszprunar, 1988