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

Uniomerus tetralasmus, Specimen #1254

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-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: September 3, 1977
Creator: Duan, K.
System: The UNT Digital Library

Toxolasma texasense, Specimen #1122

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; bluish-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: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Leptodea fragilis, Specimen #522

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; 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 long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Truncilla truncata, Specimen #1213

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 recently dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Truncilla truncata, Specimen #1214

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 recently dead when collected.
Date: September 16, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Ligumia subrostrata, Specimen #540

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; reddish-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: September 25, 1979
Creator: Golightly, C. & Kosinski, Robert
System: The UNT Digital Library

Pyganodon grandis, Specimen #887

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; pink internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #885

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; pink internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #854

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; 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 recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #855

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #857

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 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #861

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; reddish-brown external coloring; no external sculpturing. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: September 15, 1971
Creator: unknown
System: The UNT Digital Library

Pyganodon grandis, Specimen #883

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 Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: September 12, 1971
Creator: Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #884

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; 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 recently dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #886

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 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #853

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 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #852

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; 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 recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #856

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; reddish-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 relatively-recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Pyganodon grandis, Specimen #858

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; dark 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 recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Potamilus purpuratus, Specimen #707

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be very-long dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Potamilus purpuratus, Specimen #711

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be very-long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Potamilus amphichaenus, Specimen #712

One preserved mussel specimen including the right valve only. 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 100 - 120 mm in length and was assessed to be long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library

Potamilus amphichaenus, Specimen #713

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 100 - 120 mm in length and was assessed to be long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
System: The UNT Digital Library