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  Partner: Elm Fork Natural Heritage Museum
 Collection: Joseph Britton Freshwater Mussel Collection
Truncilla macrodon, Specimen #1559

Truncilla macrodon, Specimen #1559

Date: December 8, 1968
Creator: Pratt, W. L.
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; bluish-white internal coloring; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be very-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Truncilla sp., Specimen #1557

Truncilla sp., Specimen #1557

Date: December 8, 1968
Creator: Pratt, W. L.
Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; white internal coloring; off-white external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be very-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Truncilla macrodon, Specimen #1560

Truncilla macrodon, Specimen #1560

Date: October 18, 1969
Creator: Pratt, W. L.
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; white internal coloring; olive external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Truncilla macrodon, Specimen #1561

Truncilla macrodon, Specimen #1561

Date: October 18, 1969
Creator: Pratt, W. L.
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; white internal coloring; olive external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Truncilla macrodon, Specimen #1562

Truncilla macrodon, Specimen #1562

Date: October 18, 1969
Creator: Pratt, W. L.
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; white internal coloring; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Potamilus purpuratus, Specimen #649

Potamilus purpuratus, Specimen #649

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; 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 #650

Potamilus purpuratus, Specimen #650

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; thick shell; pink 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 live when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Potamilus purpuratus, Specimen #651

Potamilus purpuratus, Specimen #651

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; thick shell; 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 live when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Potamilus purpuratus, Specimen #652

Potamilus purpuratus, Specimen #652

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; thick shell; pink internal coloring; olive external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be live when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Potamilus purpuratus, Specimen #653

Potamilus purpuratus, Specimen #653

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; 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