Description: One preserved mussel specimen including the right valve only. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the San Antonio basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: August 9, 1979
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum