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 Decade: 2010-2019
 Collection: Joseph Britton Freshwater Mussel Collection
Megalonaias nervosa, Specimen #1643

Megalonaias nervosa, Specimen #1643

Date: May 13, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; double looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Guadalupe basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Megalonaias nervosa, Specimen #1644

Megalonaias nervosa, Specimen #1644

Date: May 13, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; double looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Guadalupe basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Megalonaias nervosa, Specimen #1651

Megalonaias nervosa, Specimen #1651

Date: May 13, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; double looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Guadalupe basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Megalonaias nervosa, Specimen #1652

Megalonaias nervosa, Specimen #1652

Date: May 13, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including the left valve only. The specimen exhibits a rhomboidal 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 over 120 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Megalonaias nervosa, Specimen #1672

Megalonaias nervosa, Specimen #1672

Date: May 13, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including the right valve only. The specimen exhibits a rhomboidal shape; thick shell; double looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Guadalupe basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Megalonaias nervosa, Specimen #1674

Megalonaias nervosa, Specimen #1674

Date: May 13, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; double looped beak sculpturing; white internal coloring; dark brown 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 relatively-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
Megalonaias nervosa, Specimen #1676

Megalonaias nervosa, Specimen #1676

Date: May 13, 2011
Creator: Hammontree, Sarah
Description: One preserved mussel specimen including the right valve only. The specimen exhibits a quadrate shape; thick shell; double looped beak sculpturing; white internal coloring; dark brown 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 relatively-recently dead when collected.
Contributing Partner: Elm Fork Natural Heritage Museum
Quadrula aurea, Specimen #1629

Quadrula aurea, Specimen #1629

Date: May 13, 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; white internal coloring; yellow 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
Quadrula aurea, Specimen #1630

Quadrula aurea, Specimen #1630

Date: May 13, 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; white internal coloring; orange 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
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