Eukaryota  >  Metazoa  >  Mollusca  >  Cephalopoda

Order	Family	Genus	Species
Myopsida	2	10	228
Nautilida	1	2	8
Octopoda	13	47	568
Oegopsida	25	78	450
Sepiida	3	30	162
Spirulida	1	1	2
Teuthida	0	0	9
Vampyromorpha	1	1	2