Amblema plicata, Specimen #41

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 0 - 60 mm in length and was assessed to be long dead when collected.
Date: July 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis hydiana, Specimen #273

One preserved mussel specimen including the right valve only. The specimen exhibits a rhomboidal shape; thin shell; double looped beak sculpturing; 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 long dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #280

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 Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date: July 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #372

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; 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 long dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #373

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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be very-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #374

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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be very-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #376

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; olive 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.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #378

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; olive 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.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #379

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; 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 very-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #380

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 Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #381

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 Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #382

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 Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #383

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 Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #384

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 Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #385

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 Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be very-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Leptodea fragilis, Specimen #510

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; 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 long dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Leptodea fragilis, Specimen #511

One preserved mussel specimen including the right valve only. The specimen exhibits a rhomboidal shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Leptodea fragilis, Specimen #513

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; 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 long dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #672

One preserved mussel specimen including the left valve only. The specimen exhibits an oval 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 long dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #673

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; reddish-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 relatively-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #674

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; purple 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 relatively-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #675

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; reddish-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 relatively-recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #676

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 recently dead when collected.
Date: July 18, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #717

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 Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be live when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library