Joseph Britton Freshwater Mussel Collection - Browse

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Potamilus purpuratus, Specimen #670

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; yellow internal coloring; dark brown 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 8, 1972
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum

Leptodea fragilis, Specimen #581

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; yellow 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: August 1, 1974
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Cyrtonaias tampicoensis, Specimen #161

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; yellow internal coloring; reddish-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 relatively-recently dead when collected.
Date: October 1, 1972
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Truncilla truncata, Specimen #1231

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a triangular shape; thick shell; yellow 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 long dead when collected.
Date: February 28, 1974
Creator: Pettit, J.
Partner: Elm Fork Natural Heritage Museum