Glebula rotundata, Specimen #259

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; thick shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: November 1, 1972
Creator: Britton, Joseph
System: The UNT Digital Library

Truncilla truncata, Specimen #1219

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: November 27, 1972
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #553

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: November 1, 1972
Creator: Pettit, J.
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

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