Pyganodon grandis, Specimen #886

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; 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 recently dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Pyganodon grandis, Specimen #853

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; 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 recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Pyganodon grandis, Specimen #852

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; 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 recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Pyganodon grandis, Specimen #856

One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; reddish-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.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Pyganodon grandis, Specimen #858

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 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #707

One preserved mussel specimen including the right valve only. The specimen exhibits an oval shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be very-long dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #711

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thick shell; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be very-long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus amphichaenus, Specimen #712

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; thin shell; white internal coloring; 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 long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus amphichaenus, Specimen #713

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; white internal coloring; 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 long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #714

One preserved mussel specimen including the right valve only. The specimen exhibits a rhomboidal shape; thick shell; purple internal coloring; black external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be very-long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #715

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; white internal coloring; dark 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.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #716

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; white 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 long dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #721

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark 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 live when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #722

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; 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 recently dead when collected.
Date: September 15, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #723

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: September 22, 1971
Creator: Britton, Joseph & Arnold, D.
Object Type: Specimen
System: The UNT Digital Library

Potamilus purpuratus, Specimen #686

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; pink internal coloring; dark brown external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date: September 20, 1977
Creator: Golightly, C. & Evans, P.
Object Type: Specimen
System: The UNT Digital Library

Amblema plicata, Specimen #123

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; black external coloring; external sculpturing in the form of ridges. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Amblema plicata, Specimen #125

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; black external coloring; external sculpturing in the form of ridges. Collected in the Trinity basin. The specimen measures between 100 - 120 mm in length and was assessed to be long dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Amblema plicata, Specimen #126

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Amblema plicata, Specimen #127

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; black external coloring; external sculpturing in the form of ridges. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library

Amblema plicata, Specimen #128

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; black external coloring; external sculpturing in the form of ridges. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library
Improved Staining of Extracellular Polymer for Electron Microscopy: Examination of Azotobacter, Zoogloea, Leuconostoc, and Bacillus (open access)

Improved Staining of Extracellular Polymer for Electron Microscopy: Examination of Azotobacter, Zoogloea, Leuconostoc, and Bacillus

Article on improved staining of extracellular polymer for electron microscopy and an examination of Azotobacter, Zoogloea, Leuconostoc, and Bacillus.
Date: September 1972
Creator: Cagle, Gerald D.; Pfister, Robert M. & Vela, G. Roland, 1927-
Object Type: Article
System: The UNT Digital Library

Lampsilis teres, Specimen #260

One preserved mussel specimen including the right valve only. The specimen exhibits an elliptical shape; moderately thick shell; white 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 very-long dead when collected.
Date: September 8, 1971
Creator: Britton, Joseph & Mauldin, V.
Object Type: Specimen
System: The UNT Digital Library