Potamilus purpuratus, Specimen #663

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; green 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: April 1, 1973
Creator: Pettit, J.
System: The UNT Digital Library

Potamilus purpuratus, Specimen #664

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 recently dead when collected.
Date: April 1, 1973
Creator: Pettit, J.
System: The UNT Digital Library

Potamilus purpuratus, Specimen #665

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: April 1, 1973
Creator: Pettit, J.
System: The UNT Digital Library

Potamilus purpuratus, Specimen #666

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 recently dead when collected.
Date: April 1, 1973
Creator: Pettit, J.
System: The UNT Digital Library

Potamilus amphichaenus, Specimen #667

One preserved mussel specimen including both the left and right valves. 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 relatively-recently dead when collected.
Date: April 1, 1973
Creator: Pettit, J.
System: The UNT Digital Library

Potamilus amphichaenus, Specimen #683

One preserved mussel specimen including both the left and right valves. 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 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1327

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical 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 0 - 60 mm in length and was assessed to be long dead when collected.
Date: May 1, 1974
Creator: Hewatt
System: The UNT Digital Library

Amblema plicata, Specimen #1

One preserved mussel specimen including the right valve only. 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 very-long dead when collected.
Date: November 1, 1972
Creator: Pettit, J.
System: The UNT Digital Library

Pyganodon grandis, Specimen #837

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; 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #838

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; reddish-brown 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #781

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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: November 1, 1975
Creator: O' Kane, Kevin
System: The UNT Digital Library

Pyganodon grandis, Specimen #782

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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: November 1, 1975
Creator: O' Kane, Kevin
System: The UNT Digital Library

Pyganodon grandis, Specimen #783

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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: November 1, 1975
Creator: O' Kane, Kevin
System: The UNT Digital Library

Pyganodon grandis, Specimen #784

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: November 1, 1975
Creator: O' Kane, Kevin
System: The UNT Digital Library

Pyganodon grandis, Specimen #785

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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: November 1, 1975
Creator: O' Kane, Kevin
System: The UNT Digital Library

Quadrula mortoni, Specimen #894

One preserved mussel specimen including the left valve only. The specimen exhibits a round 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 relatively-recently dead when collected.
Date: November 1, 1972
Creator: Pettit, J.
System: The UNT Digital Library

Quadrula apiculata, Specimen #997

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #998

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #999

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #1000

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #1001

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #1002

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #1003

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #1004

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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: August 1, 1973
Creator: Britton, Joseph
System: The UNT Digital Library