Potamilus purpuratus, Specimen #595

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; white 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 long dead when collected.
Date: October 17, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula quadrula, Specimen #911

One preserved mussel specimen including the left valve only. The specimen exhibits a quadrate shape; thick shell; double looped beak sculpturing; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the Red River basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: March 28, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Quadrula quadrula, Specimen #912

One preserved mussel specimen including the right valve only. The specimen exhibits a quadrate shape; thick shell; double looped beak sculpturing; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the Red River basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: March 28, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Quadrula quadrula, Specimen #913

One preserved mussel specimen including the left valve only. The specimen exhibits a quadrate shape; thick shell; double looped beak sculpturing; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the Red River basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: March 28, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Quadrula quadrula, Specimen #914

One preserved mussel specimen including the left valve only. The specimen exhibits a quadrate shape; thick shell; double looped beak sculpturing; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the Red River basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date: March 28, 1974
Creator: Pettit, J.
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1281

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 relatively-recently dead when collected.
Date: October 17, 1974
Creator: Britton, Joseph
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

Toxolasma texasense, Specimen #1146

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; bluish-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: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
System: The UNT Digital Library

Toxolasma parvum, Specimen #1115

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; 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 very-long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
System: The UNT Digital Library

Toxolasma parvum, Specimen #1116

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; 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 long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
System: The UNT Digital Library

Toxolasma parvum, Specimen #1117

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; 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 long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1236

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 Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: November 8, 1974
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

Pyganodon grandis, Specimen #876

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; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #878

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; olive external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #880

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; olive external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Pyganodon grandis, Specimen #882

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; olive external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: July 20, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #143

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 23, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #147

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 23, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #148

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 23, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #149

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: August 23, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #150

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 23, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #151

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: August 23, 1974
Creator: Britton, Joseph
System: The UNT Digital Library