Placopecten magellanicus

Placopecten magellanicus, previously listed as Pecten tenuicostatus and Pecten grandis, once referred to as the "giant scallop", and commonly known as the Atlantic deep-sea scallop, deep sea scallop, North Atlantic sea scallop, American sea scallop, Atlantic sea scallop, or sea scallop, is a commercially important pectinid bivalve mollusk native to the northwest Atlantic Ocean.