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Potamilus purpuratus, Specimen #607

Description: One preserved mussel specimen including the right valve only. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: March 17, 1972
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum

Potamilus amphichaenus, Specimen #608

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white 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 recently dead when collected.
Date: December 4, 1971
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1240

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan 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.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1241

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1242

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1243

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1244

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1245

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1246

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; 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.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1247

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: December 4, 1971
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #1123

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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: March 1, 1972
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum