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Pyganodon grandis, Specimen #742

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; dark brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #744

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; dark brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #745

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; dark brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #743

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; dark brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Ligumia subrostrata, Specimen #526

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Ligumia subrostrata, Specimen #527

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1236

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: November 8, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #530

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Ligumia subrostrata, Specimen #529

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Ligumia subrostrata, Specimen #535

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Ligumia subrostrata, Specimen #528

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #536

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Ligumia subrostrata, Specimen #532

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #537

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #534

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #531

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1296

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; green external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1295

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; green external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1294

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; green external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1297

Description: One preserved mussel specimen including the left 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 Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #1128

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #1125

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #1124

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1291

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; tan external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum