Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 60 - 100 mm in length and was assessed to be very-long dead when collected.
Date: August 23, 1979
Creator: Britton, Joseph; Britton, David; Britton, Michael & La Grove, M.
Partner: Elm Fork Natural Heritage Museum