Western fanshell, Edible naiad, Edible pearly mussel, Western fanshell mussel
Cyprogenia aberti, the western fanshell, edible naiad, edible pearly mussel, or western fanshell mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
This species is endemic to the United States.
