A species of mussel Mytilus chilensis and its edible flesh, native to southern South America and the Kerguelen Islands.

A species of mussel Aulacomya atra and its edible flesh, native to southern South America.

Magellan mussel

An endangered species of freshwater mussel, Margaritifera margaritifera, capable of producing quality pearls.

Chilean mussel

Epioblasma arcaeformis, an extinct species of freshwater mussel.

One of 56 counties in Montana, United States. County seat: Roundup.

the Musselshell River in Montana, USA, named for its freshwater mussels. / A census-designated place in Musselshell County, Montana, which is near the river.