Eukaryota  >  Metazoa  >  Mollusca

Class	Order	Family	Genus	Species
Bivalvia	20	109	955	6996
Caudofoveata	2	4	10	60
Cephalopoda	8	57	174	1517
Gastropoda	21	478	4219	32050
Monoplacophora	1	1	5	9
Polyplacophora	2	19	81	411
Scaphopoda	2	11	16	59
Solenogastres	4	18	39	209