Uniomerus tetralasmus, Specimen #1248

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: April 4, 1976
Creator: Britton, Joseph
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1249

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: April 4, 1976
Creator: Britton, Joseph
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1250

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: April 4, 1976
Creator: Britton, Joseph
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1251

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; reddish-brown external coloring; no external sculpturing. 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: April 4, 1976
Creator: Britton, Joseph
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1252

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: April 4, 1976
Creator: Britton, Joseph
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1253

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: April 4, 1976
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #155

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; reddish-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 very-recently dead when collected.
Date: April 27, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #156

One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink internal coloring; reddish-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 recently dead when collected.
Date: April 27, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #275

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. 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: April 27, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Leptodea fragilis, Specimen #463

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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date: April 27, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Leptodea fragilis, Specimen #464

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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: April 27, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus ohiensis, Specimen #589

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thin shell; white internal coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be very-long dead when collected.
Date: April 27, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus ohiensis, Specimen #590

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; white 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 long dead when collected.
Date: April 27, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus ohiensis, Specimen #591

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thin shell; white internal coloring; tan external coloring; no external sculpturing. 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: April 27, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Leptodea fragilis, Specimen #466

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 60 - 100 mm in length and was assessed to be very-long dead when collected.
Date: April 25, 1975
Creator: Britton, Joseph & Murphy, C.
System: The UNT Digital Library

Leptodea fragilis, Specimen #467

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; off-white external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 0 - 60 mm in length and was assessed to be very-long dead when collected.
Date: April 25, 1975
Creator: Britton, Joseph & Murphy, C.
System: The UNT Digital Library

Leptodea fragilis, Specimen #468

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: April 25, 1975
Creator: Britton, Joseph & Murphy, C.
System: The UNT Digital Library

Toxolasma parvum, Specimen #1118

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; single looped beak sculpturing; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: April 25, 1975
Creator: Britton, Joseph & Murphy, C.
System: The UNT Digital Library

Lampsilis teres, Specimen #302

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; off-white external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 100 - 120 mm in length and was assessed to be very-long dead when collected.
Date: April 17, 1975
Creator: Pettit, J.
System: The UNT Digital Library

Lampsilis teres, Specimen #303

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 60 - 100 mm in length and was assessed to be very-long dead when collected.
Date: April 17, 1975
Creator: Pettit, J.
System: The UNT Digital Library

Uniomerus tetralasmus, Specimen #1239

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; bluish-white internal coloring; brown external coloring; no external sculpturing. Collected in the Red River basin. The specimen measures between 60 - 100 mm in length and was assessed to be very-long dead when collected.
Date: April 17, 1975
Creator: Pettit, J.
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #212

One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink 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 very-long dead when collected.
Date: April 22, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #213

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; no external sculpturing. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be subfossil when collected.
Date: April 22, 1974
Creator: Britton, Joseph
System: The UNT Digital Library

Cyrtonaias tampicoensis, Specimen #214

One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink internal coloring; brown external coloring; no external sculpturing. 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: April 22, 1974
Creator: Britton, Joseph
System: The UNT Digital Library