About Potamilus alatus (Say, 1817)
Potamilus alatus (Say, 1817), commonly called the pink heelsplitter, is a species of freshwater mussel. It is an aquatic bivalve mollusk that belongs to Unionidae, the family commonly known as river mussels. This species is native to eastern North America, where it occurs in the drainages of the Ohio River, the St. Lawrence River, the Great Lakes, and the Canadian Interior Basin.