Top Level : Harvesting : Mussels : Mussel Species

The Pistolgrip, Tritogonia verrucosa (Rafinesque, 1820), was named for the shape of its bumpy shell, which resembles the handle or butt of a pistol. It was considered a good button shell.
Illinois State Museum Collection (ISM-678492)

Photograph by Robert E. Warren, Illinois State Museum.