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Utterbackia imbecillis, Specimen #1321

Description: 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; 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 long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1322

Description: 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; 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 long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Boone, Constance; Murphy, C. & Golightly, C.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1281

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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 17, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1320

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; 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 long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1319

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; olive external coloring; no external sculpturing. Collected in the Savannah River basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: June 1, 1977
Creator: Britton, Joseph; Hagan, J.; Graham & Champagne, L.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1279

Description: 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 Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: October 6, 1971
Creator: Britton, Joseph & Mauldin, V.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1290

Description: One preserved mussel specimen including both the left and right valves. 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 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: August 1, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1287

Description: One preserved mussel specimen including the left 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 Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 23, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1288

Description: One preserved mussel specimen including the left 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 Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: August 23, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1289

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; white internal coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Date: August 23, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1291

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; tan external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1292

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; tan external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1293

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; tan external coloring; no external sculpturing. Collected in the Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1294

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 Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1295

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 Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1296

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 Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1297

Description: One preserved mussel specimen including the left valve only. 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 Neches basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1298

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 Cypress basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 17, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1299

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 Cypress basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: October 17, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1302

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. Collected in the Savannah River basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 1, 1977
Creator: Britton, Joseph; Hagan, J.; Graham & Champagne, L.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1303

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; off-white external coloring; no external sculpturing. Collected in the Savannah River basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: June 1, 1977
Creator: Britton, Joseph; Hagan, J.; Graham & Champagne, L.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1304

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; olive external coloring; no external sculpturing. Collected in the Savannah River basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: June 1, 1977
Creator: Britton, Joseph; Hagan, J.; Graham & Champagne, L.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1305

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. Collected in the Savannah River basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: June 1, 1977
Creator: Britton, Joseph; Hagan, J.; Graham & Champagne, L.
Partner: Elm Fork Natural Heritage Museum

Utterbackia imbecillis, Specimen #1306

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; olive external coloring; no external sculpturing. Collected in the Savannah River basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 1, 1977
Creator: Britton, Joseph; Hagan, J.; Graham & Champagne, L.
Partner: Elm Fork Natural Heritage Museum