Cyrtonaias tampicoensis, Specimen #194

Cyrtonaias tampicoensis, Specimen #194

Date: August 23, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Leptodea fragilis, Specimen #512

Leptodea fragilis, Specimen #512

Date: August 14, 1979
Creator: Britton, Joseph
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; tan external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1286

Utterbackia imbecillis, Specimen #1286

Date: June 15, 1979
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; 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.
Contributing Partner: Elm Fork Natural Heritage Museum
Toxolasma texasense, Specimen #1195

Toxolasma texasense, Specimen #1195

Date: August 23, 1979
Creator: Britton, Joseph
Description: 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. Collected in the Colorado basin. The specimen measures between 0 - 60 mm in length and was assessed to be very-long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Toxolasma texasense, Specimen #1194

Toxolasma texasense, Specimen #1194

Date: August 23, 1979
Creator: Britton, Joseph
Description: 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. Collected in the Colorado basin. The specimen measures between 0 - 60 mm in length and was assessed to be very-long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Cyrtonaias tampicoensis, Specimen #195

Cyrtonaias tampicoensis, Specimen #195

Date: August 23, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink internal coloring; brown external coloring; no external sculpturing. Collected in the Colorado 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
Potamilus purpuratus, Specimen #677

Potamilus purpuratus, Specimen #677

Date: August 14, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including the left valve only. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Potamilus purpuratus, Specimen #678

Potamilus purpuratus, Specimen #678

Date: August 14, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Lampsilis teres, Specimen #283

Lampsilis teres, Specimen #283

Date: August 23, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 60 - 100 mm in length and was assessed to be very-long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Potamilus purpuratus, Specimen #681

Potamilus purpuratus, Specimen #681

Date: August 15, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
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