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 Liocarininae Pacaud & Le Renard, 1995, orth. inval. [monotypic]
see Subfamily Liocareninae Wenz, 1938
Genus Hemiauricula Deshayes, 1853
Subgenus Bulimactaeon Cossmann, 1891