Utterbackia imbecillis, Specimen #1330

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

Utterbackia imbecillis, Specimen #1331

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

Utterbackia imbecillis, Specimen #1332

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

Utterbackia imbecillis, Specimen #1333

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

Utterbackia imbecillis, Specimen #1334

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

Utterbackia imbecillis, Specimen #1335

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

Utterbackia imbecillis, Specimen #1336

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

Utterbackia imbecillis, Specimen #1337

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

Utterbackia imbecillis, Specimen #1338

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

Utterbackia imbecillis, Specimen #1339

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

Toxolasma texasense, Specimen #1173

One preserved mussel specimen including both the left and right valves. 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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1328

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

Utterbackia imbecillis, Specimen #1329

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