Utterbackia imbecillis, Specimen #1379

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 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 20, 1971
Creator: Britton, Joseph
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1276

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin 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 long dead when collected.
Date: October 24, 1973
Creator: Pettit, J.
System: The UNT Digital Library

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

Uniomerus tetralasmus, Specimen #1277

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; reddish-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: January 28, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Toxolasma texasense, Specimen #1121

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; single 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 recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph
System: The UNT Digital Library

Truncilla truncata, Specimen #1232

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Fusconaia sp., Specimen #257

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Truncilla truncata, Specimen #1233

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Pleurobema riddellii, Specimen #560

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: 1972
Creator: Pettit, J.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #561

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: 1972
Creator: Pettit, J.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #562

One preserved mussel specimen including the right valve only. The specimen exhibits a triangular 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: 1972
Creator: Pettit, J.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #563

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: 1972
Creator: Pettit, J.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #564

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: 1972
Creator: Pettit, J.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #565

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: 1972
Creator: Pettit, J.
System: The UNT Digital Library

Pleurobema riddellii, Specimen #566

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: 1973
Creator: unknown
System: The UNT Digital Library

Pleurobema riddellii, Specimen #567

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: 1973
Creator: unknown
System: The UNT Digital Library

Pleurobema riddellii, Specimen #568

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: 1973
Creator: unknown
System: The UNT Digital Library

Pleurobema riddellii, Specimen #569

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 60 - 100 mm in length and was assessed to be subfossil when collected.
Date: 1973
Creator: unknown
System: The UNT Digital Library

Pleurobema riddellii, Specimen #570

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: 1973
Creator: unknown
System: The UNT Digital Library

Truncilla truncata, Specimen #1225

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: May 25, 1905
Creator: Pettit, J.
System: The UNT Digital Library

Truncilla truncata, Specimen #1226

One preserved mussel specimen including both the left and right valves. The specimen exhibits a triangular shape; thick shell; white internal coloring; olive 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: May 26, 1905
Creator: Pettit, J.
System: The UNT Digital Library

Leptodea fragilis, Specimen #509

One preserved mussel specimen including the left valve only. The specimen exhibits an oval 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 100 - 120 mm in length and was assessed to be long dead when collected.
Date: October 8, 1972
Creator: Pettit, J.
System: The UNT Digital Library