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 Collection: Joseph Britton Freshwater Mussel Collection
Potamilus purpuratus, Specimen #670

Potamilus purpuratus, Specimen #670

Date: October 8, 1972
Creator: Pettit, J.
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.
Contributing Partner: Elm Fork Natural Heritage Museum
Leptodea fragilis, Specimen #581

Leptodea fragilis, Specimen #581

Date: August 1, 1974
Creator: Britton, Joseph
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.
Contributing Partner: Elm Fork Natural Heritage Museum
Cyrtonaias tampicoensis, Specimen #161

Cyrtonaias tampicoensis, Specimen #161

Date: October 1, 1972
Creator: Britton, Joseph
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.
Contributing Partner: Elm Fork Natural Heritage Museum
Truncilla truncata, Specimen #1231

Truncilla truncata, Specimen #1231

Date: February 28, 1974
Creator: Pettit, J.
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.
Contributing Partner: Elm Fork Natural Heritage Museum