Quadrula mortoni, Specimen #1100

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately 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: September 5, 1971
Creator: Britton, Joseph & Mauldin, V.
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

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

Amblema plicata, Specimen #41

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; external sculpturing in the form of ridges. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: July 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Lampsilis teres, Specimen #280

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick 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: July 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula mortoni, Specimen #929

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately thick shell; white internal coloring; dark brown 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: July 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula mortoni, Specimen #930

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately thick shell; white internal coloring; dark brown 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: July 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Amblema plicata, Specimen #27

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; purplish-white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the San Jacinto basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Amblema plicata, Specimen #28

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; purplish-white internal coloring; reddish-brown external coloring; external sculpturing in the form of ridges. Collected in the San Jacinto basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Amblema plicata, Specimen #29

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; purplish-white internal coloring; reddish-brown external coloring; external sculpturing in the form of ridges. Collected in the San Jacinto basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Amblema plicata, Specimen #30

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; purplish-white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the San Jacinto basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Amblema plicata, Specimen #31

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; purplish-white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the San Jacinto basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Amblema plicata, Specimen #32

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; purplish-white internal coloring; black external coloring; external sculpturing in the form of ridges. Collected in the San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date: October 5, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library