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Pyganodon grandis, Specimen #791
One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date:
August 12, 1972
Creator:
Britton, Joseph
System:
The UNT Digital Library
Pyganodon grandis, Specimen #792
One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be long dead when collected.
Date:
August 12, 1972
Creator:
Britton, Joseph
System:
The UNT Digital Library
Pyganodon grandis, Specimen #793
One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; thin shell; double looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 12, 1972
Creator:
Britton, Joseph
System:
The UNT Digital Library
Pyganodon grandis, Specimen #794
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; tan 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:
August 12, 1972
Creator:
Britton, Joseph
System:
The UNT Digital Library
Pyganodon grandis, Specimen #795
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; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
August 12, 1972
Creator:
Britton, Joseph
System:
The UNT Digital Library
Quadrula mortoni, Specimen #971
One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately thick shell; white internal coloring; tan external coloring; external sculpturing in the form of pustules. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 12, 1972
Creator:
Britton, Joseph
System:
The UNT Digital Library
Quadrula mortoni, Specimen #972
One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately thick shell; white internal coloring; tan external coloring; external sculpturing in the form of pustules. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 12, 1972
Creator:
Britton, Joseph
System:
The UNT Digital Library
Quadrula mortoni, Specimen #893
One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; white internal coloring; tan external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 12, 1972
Creator:
Britton, Joseph
System:
The UNT Digital Library