mussel shrimp

English Thesaurus

1. tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell (noun.animal)

hypernym	:	crustacean,
definition	:	any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton (noun.animal)

member meronym	:	ostracoda, subclass ostracoda,
definition	:	seed shrimps (noun.animal)