Pleurobema riddellii, Specimen #571

One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be subfossil when collected.
Date: February 6, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #572

One preserved mussel specimen including the right valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date: February 6, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #573

One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date: February 7, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Truncilla truncata, Specimen #1230

One preserved mussel specimen including both the left and right valves. The specimen exhibits a triangular shape; 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: February 27, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Truncilla truncata, Specimen #1231

One preserved mussel specimen including both the left and right valves. The specimen exhibits a triangular shape; thick shell; yellow 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: February 28, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Amblema plicata, Specimen #2

One preserved mussel specimen including the right valve only. 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 very-long dead when collected.
Date: February 6, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Lampsilis hydiana, Specimen #276

One preserved mussel specimen including the left 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 60 - 100 mm in length and was assessed to be long dead when collected.
Date: February 27, 1974
Creator: Pettit, J.
System: The UNT Digital Library