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29 Matching Results
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Utterbackia imbecillis, Specimen #1388
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; green external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date:
August 28, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Cyrtonaias tampicoensis, Specimen #216
One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Cyrtonaias tampicoensis, Specimen #217
One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink 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 recently dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Leptodea fragilis, Specimen #523
One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; thin shell; double looped beak sculpturing; 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.
Date:
October 4, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1385
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 Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1386
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 Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Utterbackia imbecillis, Specimen #1387
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 Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Toxolasma texasense, Specimen #1205
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white 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 long dead when collected.
Date:
August 28, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Toxolasma texasense, Specimen #1206
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; 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 long dead when collected.
Date:
August 28, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Toxolasma texasense, Specimen #1207
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white 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 long dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Toxolasma texasense, Specimen #1208
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white 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 long dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Biology and Production of Net-Spinning Caddisflies (Hydropsychidae And Philopotamidae) in a Regulated Portion Of The Brazos River, Texas
Four species of net-spinning caddisflies, Hydropsyche simulans Ross, Cheumatopsyche lasia Ross, Cheumatopsyche campyla Ross and Chimarra obscura (Walker) are common in the regulated portions of the Brazos River. Hydropsyche simulans spun capture nets with the largest meshdimensions; the two Cheumatopsyche species' nets had the next largest meshes, and Chimarra obscura spun nets with the smallest dimensions. Cheumatopsyche lasia and C. campyla constructed nets with similar sized meshes. The number of individuals m~2 and standing crop biomass were not significantly different among low, medium, and high velocities. Early hydropsychid instars fed on detritus while later instar H. simulans and C. campyla had larger proportions of animal material. Guts of later instar C. lasia individuals had a greater percentage of algae and diatoms.
Date:
May 1984
Creator:
Malas, Diane M. (Diane Mary)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Quadrula apiculata, Specimen #1102
One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. 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:
August 28, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Quadrula houstonensis, Specimen #1103
One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; thick shell; white 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 relatively-recently dead when collected.
Date:
July 20, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Quadrula houstonensis, Specimen #1104
One preserved mussel specimen including the left valve only. The specimen exhibits a round shape; thick shell; white 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 relatively-recently dead when collected.
Date:
July 20, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Lampsilis teres, Specimen #459
One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.
Date:
August 28, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Amblema plicata, Specimen #140
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; brown external coloring; external sculpturing in the form of ridges. 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:
August 28, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Amblema plicata, Specimen #141
One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; purplish-white internal coloring; brown external coloring; external sculpturing in the form of ridges. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date:
August 28, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Amblema plicata, Specimen #142
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 Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 28, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Pyganodon grandis, Specimen #888
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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 28, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Pyganodon grandis, Specimen #889
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; reddish-brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date:
August 28, 1980
Creator:
Golightly, C.
Object Type:
Specimen
System:
The UNT Digital Library
Potamilus purpuratus, Specimen #725
One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thick shell; purple internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be recently dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Potamilus purpuratus, Specimen #726
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 Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be recently dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library
Potamilus ohiensis, Specimen #728
One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; pink internal coloring; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.
Date:
October 4, 1980
Creator:
Golightly, C. & Moorhead, D.
Object Type:
Specimen
System:
The UNT Digital Library