Eukaryota  >  Metazoa  >  Mollusca

Class	Order	Family	Genus	Species
Bivalvia	19	107	928	6774
Caudofoveata	2	4	9	56
Cephalopoda	8	47	172	1467
Gastropoda	21	468	3913	30339
Monoplacophora	1	1	5	9
Polyplacophora	2	19	60	400
Scaphopoda	2	11	16	58
Solenogastres	4	16	32	161