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Cyrtonaias tampicoensis, Specimen #212

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink internal coloring; 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 very-long dead when collected.
Date: April 22, 1974
Creator: Britton, Joseph

Cyrtonaias tampicoensis, Specimen #213

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be subfossil when collected.
Date: April 22, 1974
Creator: Britton, Joseph

Cyrtonaias tampicoensis, Specimen #214

Description: One preserved mussel specimen including the left valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink 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 relatively-recently dead when collected.
Date: April 22, 1974
Creator: Britton, Joseph

Cyrtonaias tampicoensis, Specimen #215

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink 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 relatively-recently dead when collected.
Date: April 22, 1974
Creator: Britton, Joseph

Potamilus ohiensis, Specimen #719

Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; pink 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: April 22, 1974
Creator: Britton, Joseph

Pyganodon grandis, Specimen #859

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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 22, 1974
Creator: Smith, J.

Pyganodon grandis, Specimen #860

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; 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 relatively-recently dead when collected.
Date: June 22, 1974
Creator: Smith, J.
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