Degree Department

Quadrula mortoni, Specimen #910

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately thick shell; white internal coloring; reddish-brown 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 27, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Quadrula mortoni, Specimen #921

One preserved mussel specimen including both the left and right valves. 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 recently dead when collected.
Date: November 27, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Leptodea fragilis, Specimen #465

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal 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 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: November 27, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Truncilla truncata, Specimen #1218

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 recently dead when collected.
Date: November 27, 1971
Creator: Britton, Joseph & Mauldin, V.
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

Pyganodon grandis, Specimen #763

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; 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: November 27, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library