freshwater clam

English Thesaurus

1. bivalve mollusk abundant in rivers of central United States (noun.animal)

hypernym	:	mussel,
definition	:	marine or freshwater bivalve mollusk that lives attached to rocks etc. (noun.animal)

hyponym	:	pearly-shelled mussel,
definition	:	the pearly lining of the dark shells is a source of mother-of-pearl (noun.animal)

hyponym	:	thin-shelled mussel,
definition	:	mussel with thin fragile shells having only rudimentary hinge teeth (noun.animal)

hyponym	:	dreissena polymorpha, zebra mussel,
definition	:	inch long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater mussels (noun.animal)