Eukaryota  >  Metazoa  >  Mollusca  >  Bivalvia  >  Cardiida

Family	Genus	Species
Cardiidae	44	212
Donacidae	4	46
Hemidonacidae	1	1
Psammobiidae	8	32
Scrobiculariidae	1	1
Semelidae	4	28
Solecurtidae	4	14
Tellinidae	36	83