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 Country: United States
 State: New Jersey
 Collection: Joseph Britton Freshwater Mussel Collection
Pyganodon grandis, Specimen #734
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.