Truncilla truncata, Specimen #1225

One preserved mussel specimen including both the left and right valves. The specimen exhibits a triangular shape; thick shell; 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 relatively-recently dead when collected.
Date: May 25, 1905
Creator: Pettit, J.
System: The UNT Digital Library

Truncilla truncata, Specimen #1226

One preserved mussel specimen including both the left and right valves. The specimen exhibits a triangular shape; thick shell; white internal coloring; olive 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: May 26, 1905
Creator: Pettit, J.
System: The UNT Digital Library

Megalonaias nervosa, Specimen #1475

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; white internal coloring; brown external coloring; external sculpturing in the form of pustules. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: unknown
Creator: unknown
System: The UNT Digital Library

Potamilus purpuratus, Specimen #649

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #650

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #651

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #652

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #653

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #654

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #655

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #813

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #814

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #815

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #816

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #817

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #818

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.
Date: October 22, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Amblema plicata, Specimen #50

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.
Date: October 25, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Amblema plicata, Specimen #100

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.
Date: December 6, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #841

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round 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 relatively-recently dead when collected.
Date: December 6, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #842

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; 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: December 6, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #843

One preserved mussel specimen including the right valve only. The specimen exhibits a round 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 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: December 6, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1280

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; green 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: December 6, 1970
Creator: Britton, Joseph
System: The UNT Digital Library

Truncilla truncata, Specimen #1220

One preserved mussel specimen including both the left and right valves. The specimen exhibits a triangular shape; thick shell; 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: February 28, 1971
Creator: Falzarano, A. & Britton, Joseph
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1255

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 long dead when collected.
Date: March 13, 1971
Creator: Britton, Joseph
System: The UNT Digital Library