Potamilus purpuratus, Specimen #640

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #641

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; black external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #596

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 San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be live when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Potamilus purpuratus, Specimen #597

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be live when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Potamilus purpuratus, Specimen #598

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; white internal coloring; reddish-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 long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Potamilus amphichaenus, Specimen #608

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; olive external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #609

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: December 4, 1971
Creator: unknown
System: The UNT Digital Library

Lampsilis teres, Specimen #329

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be live when collected.
Date: May 4, 1972
Creator: Falzarano, A. & Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #330

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; 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 live when collected.
Date: May 4, 1972
Creator: Falzarano, A. & Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #331

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; moderately thick shell; white internal coloring; off-white external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be live when collected.
Date: May 4, 1972
Creator: Falzarano, A. & Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #332

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be live when collected.
Date: May 4, 1972
Creator: Falzarano, A. & Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #919

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Quadrula apiculata, Specimen #920

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #159

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink internal coloring; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be very-recently dead when collected.
Date: January 4, 1972
Creator: Paxton, J.
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1320

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1321

One preserved mussel specimen including the right valve only. 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 Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1322

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; white internal coloring; green 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 long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Boone, Constance; Murphy, C. & Golightly, C.
System: The UNT Digital Library

Toxolasma texasense, Specimen #1147

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Toxolasma texasense, Specimen #1148

One preserved mussel specimen including the left valve only. 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 Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Toxolasma texasense, Specimen #1149

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Toxolasma texasense, Specimen #1150

One preserved mussel specimen including the right valve only. 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 Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Toxolasma texasense, Specimen #1151

One preserved mussel specimen including the left valve only. 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 Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Toxolasma texasense, Specimen #1152

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Toxolasma texasense, Specimen #1153

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library