thin-shelled mussel

English Thesaurus

1. mussel with thin fragile shells having only rudimentary hinge teeth (noun.animal)

hypernym	:	freshwater clam, freshwater mussel,
definition	:	bivalve mollusk abundant in rivers of central United States (noun.animal)

member meronym	:	anodonta, genus anodonta,
definition	:	thin-shelled freshwater mussels (noun.animal)