Megalonaias nervosa, Specimen #1655

Megalonaias nervosa, Specimen #1655

Date: June 11, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; moderately thick shell; double looped beak sculpturing; white internal coloring; tan external coloring; external sculpturing in the form of ridges. Collected in the Guadalupe basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Megalonaias nervosa, Specimen #1675

Megalonaias nervosa, Specimen #1675

Date: May 13, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including the left valve only. The specimen exhibits a quadrate shape; thick shell; double looped beak sculpturing; white internal coloring; black external coloring; external sculpturing in the form of ridges. Collected in the Guadalupe basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1373

Utterbackia imbecillis, Specimen #1373

Date: June 9, 1977
Creator: Britton, Joseph
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; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Toxolasma texasense, Specimen #1199

Toxolasma texasense, Specimen #1199

Date: unknown
Creator: unknown
Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be subfossil when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1372

Utterbackia imbecillis, Specimen #1372

Date: June 9, 1977
Creator: Britton, Joseph
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; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Toxolasma texasense, Specimen #1200

Toxolasma texasense, Specimen #1200

Date: unknown
Creator: unknown
Description: One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Leptodea fragilis, Specimen #518

Leptodea fragilis, Specimen #518

Date: June 14, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; tan 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.
Contributing Partner: Elm Fork Natural Heritage Museum
Utterbackia imbecillis, Specimen #1374

Utterbackia imbecillis, Specimen #1374

Date: August 10, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; green external coloring; no external sculpturing. Collected in the Nueces basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Toxolasma texasense, Specimen #1198

Toxolasma texasense, Specimen #1198

Date: June 16, 1979
Creator: unknown
Description: One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Leptodea fragilis, Specimen #517

Leptodea fragilis, Specimen #517

Date: June 14, 1979
Creator: Britton, Joseph
Description: One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; white internal coloring; off-white external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be very-long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
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