Joseph Britton Freshwater Mussel Collection - 13 Matching Results

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Lampsilis teres, Specimen #369

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Lampsilis teres, Specimen #370

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures between 60 - 100 mm in length and was assessed to be subfossil when collected.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Lampsilis teres, Specimen #371

Description: One preserved mussel specimen including the right 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 long dead when collected.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Leptodea fragilis, Specimen #512

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.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #677

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.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #678

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.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #679

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark 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.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #825

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; 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.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #826

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; dark 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.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #827

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; 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.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #828

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 Colorado basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #829

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; 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.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #830

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; brown external coloring; no external sculpturing. Collected in the Colorado basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date: August 14, 1979
Creator: Britton, Joseph & Britton, David
Partner: Elm Fork Natural Heritage Museum