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  Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1355

Utterbackia imbecillis, Specimen #1355

Date: August 25, 1979
Creator: Britton, Joseph
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 Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1356

Utterbackia imbecillis, Specimen #1356

Date: June 9, 1977
Creator: Britton, Joseph
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. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1357

Utterbackia imbecillis, Specimen #1357

Date: June 9, 1977
Creator: Britton, Joseph
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.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1358

Utterbackia imbecillis, Specimen #1358

Date: June 9, 1977
Creator: Britton, Joseph
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.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1359

Utterbackia imbecillis, Specimen #1359

Date: June 9, 1977
Creator: Britton, Joseph
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.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1360

Utterbackia imbecillis, Specimen #1360

Date: June 9, 1977
Creator: Britton, Joseph
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; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1361

Utterbackia imbecillis, Specimen #1361

Date: June 9, 1977
Creator: Britton, Joseph
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.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1362

Utterbackia imbecillis, Specimen #1362

Date: June 9, 1977
Creator: Britton, Joseph
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; off-white external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1363

Utterbackia imbecillis, Specimen #1363

Date: June 9, 1977
Creator: Britton, Joseph
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; brown external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1364

Utterbackia imbecillis, Specimen #1364

Date: June 9, 1977
Creator: Britton, Joseph
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.
Contributing Partner: Elm Fork Natural Heritage Museum