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Utterbackia imbecillis, Specimen #1373
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; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
June 9, 1977
Creator:
Britton, Joseph & Hagan, J.
System:
The UNT Digital Library
Leptodea fragilis, Specimen #516
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 Brazos basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date:
June 14, 1979
Creator:
Britton, Joseph
System:
The UNT Digital Library
Leptodea fragilis, Specimen #517
One preserved mussel specimen including the right valve only. 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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be very-long dead when collected.
Date:
June 14, 1979
Creator:
Britton, Joseph
System:
The UNT Digital Library
Leptodea fragilis, Specimen #518
One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; bluish-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:
June 14, 1979
Creator:
Britton, Joseph; Brush, Sam & La Grove, M.
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1286
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; tan external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
June 15, 1979
Creator:
Britton, Joseph; Brush, Sam & La Grove, M.
System:
The UNT Digital Library
Toxolasma texasense, Specimen #1198
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. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
June 16, 1979
Creator:
unknown
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1378
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 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date:
June 20, 1971
Creator:
Britton, Joseph
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1379
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 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date:
June 20, 1971
Creator:
Britton, Joseph
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1340
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. The specimen measures between 0 - 60 mm in length and was assessed to be live when collected.
Date:
June 1, 1977
Creator:
Britton, Joseph
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1341
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. The specimen measures between 0 - 60 mm in length and was assessed to be live when collected.
Date:
June 1, 1977
Creator:
Britton, Joseph
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1342
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. The specimen measures between 0 - 60 mm in length and was assessed to be live when collected.
Date:
June 1, 1977
Creator:
Britton, Joseph
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1343
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. The specimen measures between 0 - 60 mm in length and was assessed to be live when collected.
Date:
June 1, 1977
Creator:
Britton, Joseph
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1344
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. The specimen measures between 0 - 60 mm in length and was assessed to be live when collected.
Date:
June 1, 1977
Creator:
Britton, Joseph
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1345
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. The specimen measures between 0 - 60 mm in length and was assessed to be live when collected.
Date:
June 1, 1977
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