genus unio

English Thesaurus

1. type genus of the family Unionidae (noun.animal)

hypernym	:	mollusk genus,
definition	:	a genus of mollusks (noun.animal)

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

member meronym	:	family unionidae, unionidae,
definition	:	freshwater mussels found worldwide (noun.animal)