Joseph Britton Freshwater Mussel Collection - 6 Matching Results

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Toxolasma parvum, Specimen #1115

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thick shell; single looped beak sculpturing; 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 very-long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
Partner: Elm Fork Natural Heritage Museum

Toxolasma parvum, Specimen #1116

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thick shell; single looped beak sculpturing; 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 long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
Partner: Elm Fork Natural Heritage Museum

Toxolasma parvum, Specimen #1117

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thick shell; single looped beak sculpturing; 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 long dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
Partner: Elm Fork Natural Heritage Museum

Toxolasma texasense, Specimen #1146

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

Pyganodon grandis, Specimen #764

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; thin shell; double looped beak sculpturing; 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: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #765

Description: One preserved mussel specimen including the right valve only. The specimen exhibits a round shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 18, 1974
Creator: Britton, Joseph & Murphy, C.
Partner: Elm Fork Natural Heritage Museum