Pyganodon grandis, Specimen #881

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; olive external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #729

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: July 14, 1979
Creator: Golightly, C. & Kosinski, Robert
System: The UNT Digital Library

Pyganodon grandis, Specimen #844

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; 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 13, 1971
Creator: Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #846

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white 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 13, 1971
Creator: Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #848

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white 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 13, 1971
Creator: Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #850

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; 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 13, 1971
Creator: Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #862

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 Brazos basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #864

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #866

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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #868

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 Brazos basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #870

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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #872

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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #874

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; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #708

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 San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: July 14, 1979
Creator: Golightly, C. & Kosinski, Robert
System: The UNT Digital Library

Potamilus purpuratus, Specimen #709

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; bluish-white internal coloring; black external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: July 14, 1979
Creator: Golightly, C. & Kosinski, Robert
System: The UNT Digital Library

Potamilus purpuratus, Specimen #710

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; black external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: July 14, 1979
Creator: Golightly, C. & Kosinski, Robert
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

Potamilus purpuratus, Specimen #718

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