Eukaryota  >  Metazoa  >  Mollusca  >  Bivalvia  >  Pectinida

Family	Genus	Species
Anomiidae	5	18
Entoliidae	1	1
Pectinidae	57	159
Placunidae	1	6
Plicatulidae	1	5
Propeamussiidae	4	30
Spondylidae	2	21