BIVALVA

ARCIDAE	CARDIIDAE	CARDITIDAE
CHAMIDAE	CORBULIDAE	CRASSATELLIDAE
CUCULLAEIDAE	CULTELLIDAE	DONACIDAE
FIMBRIDAE	GLYCYMERIDAE	LIMIDAE
LUCINIDAE	MALLEIDAE	MITILIDAE
OSTREIDAE	PECTINIDAE	PHOLADIDAE
PSAMMOBIIDAE	PTERIIDAE	SPONDILIDAE