Dreissena

Synonyms

Dreissena polymorpha

Dreissena polymorphas

Dreissenas

Mussel, Zebra

Mussels, Zebra

Zebra Mussel

Zebra Mussels

polymorphas, Dreissena

A genus of mussels in the family Dreissenidae, class BIVALVIA. They are found in both fresh and brackish water and are not native to North America. Accidentally introduced into the Great Lakes in 1986, they now proliferate widely throughout the United States.