Twenty valves comprising ten complete freshwater mussels. The shells are medium to dark brown and an olive green color. The periostracum is beginning to flake off of the shells at the umbos. Subtle growth lines are present on the exterior of the shells. Internally, the shells are an iridescent, silver to white color. The shells have very shallow muscle scars and no visible hinge teeth. The ellipse shaped shells have rounded anterior edges and rounded posterior edges.