Phylum Mollusca Linnaeus, 1758 - molluscs
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Opisthobranchia Milne-Edwards, 1848 - opisthobranchs
see Order Opisthobranchia Milne-Edwards, 1848
Order Cephalaspidea Fischer, 1883
Superfamily Acteonoidea d'Orbigny, 1843
Family Acteonidae d'Orbigny, 1843, nom. protect. - bubble shells
Subfamily Acteoninae d'Orbigny, 1843
Genus Ovulacteon Rios, 1985, orth. inval.
see Genus Ovulactaeon Dall, 1889