Aulacomya atra

Aulacomya atra, called also the Magellan mussel or the ribbed mussel, is a southern species of edible saltwater mussel, a marine bivalve mollusk in the family Mytilidae, the true mussels. Note that the common name ribbed mussel is also used of the Northern Hemisphere mussel Geukensia demissa.

Aulacomya atra

Aulacomya atra, called also the Magellan mussel or the ribbed mussel, is a southern species of edible saltwater mussel, a marine bivalve mollusk in the family Mytilidae, the true mussels. Note that the common name ribbed mussel is also used of the Northern Hemisphere mussel Geukensia demissa.