Phylum Mollusca Linnaeus, 1758 - molluscs
Class Cephalopoda Cuvier, 1795 - cephalopods
Subclass Coleoida Bather, 1888
see Subclass Coleoidea Bather, 1888
Order Teuthida Naef, 1916
Suborder Oegopsida d'Orbigny, 1845
see Suborder Oegopsina Orbigny, 1845
Family Cranchiidae Prosch, 1847
Subfamily Cranchiinae Prosch, 1847
Genus Liocranchia Pfeffer, 1884