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  Partner: Elm Fork Natural Heritage Museum
 Collection: Joseph Britton Freshwater Mussel Collection
Potamilus purpuratus, Specimen #654

Potamilus purpuratus, Specimen #654

Date: October 22, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be live when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Potamilus purpuratus, Specimen #655

Potamilus purpuratus, Specimen #655

Date: October 22, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thick shell; salmon internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be live when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Pyganodon grandis, Specimen #813

Pyganodon grandis, Specimen #813

Date: October 22, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Pyganodon grandis, Specimen #814

Pyganodon grandis, Specimen #814

Date: October 22, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Pyganodon grandis, Specimen #815

Pyganodon grandis, Specimen #815

Date: October 22, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Pyganodon grandis, Specimen #816

Pyganodon grandis, Specimen #816

Date: October 22, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Pyganodon grandis, Specimen #817

Pyganodon grandis, Specimen #817

Date: October 22, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Pyganodon grandis, Specimen #818

Pyganodon grandis, Specimen #818

Date: October 22, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Amblema plicata, Specimen #50

Amblema plicata, Specimen #50

Date: October 25, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; external sculpturing in the form of ridges. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Amblema plicata, Specimen #100

Amblema plicata, Specimen #100

Date: December 6, 1970
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum