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Potamilus purpuratus, Specimen #613

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; dark 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: May 7, 1975
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Potamilus purpuratus, Specimen #614

Description: One preserved mussel specimen including the left valve only. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; reddish-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: May 7, 1975
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Cyrtonaias tampicoensis, Specimen #157

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; 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 relatively-recently dead when collected.
Date: May 17, 1975
Creator: O' Kane, Kevin
Partner: Elm Fork Natural Heritage Museum

Cyrtonaias tampicoensis, Specimen #158

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; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date: May 17, 1975
Creator: O' Kane, Kevin
Partner: Elm Fork Natural Heritage Museum
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