Joseph Britton Freshwater Mussel Collection - 1,385 Matching Results

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Utterbackia imbecillis, Specimen #1334

Description: 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
Partner: Elm Fork Natural Heritage Museum

Fusconaia sp., Specimen #254

Description: One preserved mussel specimen including the right valve only. The specimen exhibits a triangular shape; moderately thick shell; single looped beak sculpturing; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date: May 28, 1973
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum

Fusconaia sp., Specimen #255

Description: One preserved mussel specimen including the right valve only. The specimen exhibits a triangular shape; moderately thick shell; single looped beak sculpturing; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be subfossil when collected.
Date: May 28, 1973
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum

Megalonaias nervosa, Specimen #541

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; double looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Sulphur basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: May 20, 1977
Creator: Britton, Joseph; Murphy, C.; Evans, P. & Hagan, J.
Partner: Elm Fork Natural Heritage Museum

Megalonaias nervosa, Specimen #542

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; double looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Sulphur basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: May 20, 1977
Creator: Britton, Joseph; Murphy, C.; Evans, P. & Hagan, J.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1328

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1329

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1330

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1331

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1332

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1333

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1335

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1336

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1337

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1338

Description: 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
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1339

Description: 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
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #1173

Description: 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
Partner: Elm Fork Natural Heritage Museum

Uniomerus tetralasmus, Specimen #1254

Description: 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.
Partner: Elm Fork Natural Heritage Museum

Fusconaia sp., Specimen #256

Description: One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; moderately thick shell; single looped beak sculpturing; white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date: May 28, 1973
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum

Pleurobema riddellii, Specimen #554

Description: One preserved mussel specimen including the left valve only. The specimen exhibits a triangular shape; moderately thick shell; bluish-white internal coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be subfossil when collected.
Date: 1972
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum

Cyrtonaias tampicoensis, Specimen #211

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: August 16, 1973
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1357

Description: 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 relatively-recently dead when collected.
Date: June 9, 1977
Creator: Britton, Joseph & Hagan, J.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1358

Description: 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.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1359

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; dark brown 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.
Partner: Elm Fork Natural Heritage Museum