Utterbackia imbecillis, Specimen #1330

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1331

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1332

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1333

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1334

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1335

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1336

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1337

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1338

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1339

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Toxolasma texasense, Specimen #1173

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; bluish-white internal coloring; tan external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Toxolasma texasense, Specimen #1209

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: May 20, 1977
Creator: Britton, Joseph
System: The UNT Digital Library

Toxolasma texasense, Specimen #1210

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: May 20, 1977
Creator: Britton, Joseph
System: The UNT Digital Library

Potamilus purpuratus, Specimen #596

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 San Jacinto basin. The specimen measures between 100 - 120 mm in length and was assessed to be live when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Potamilus purpuratus, Specimen #597

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 between 100 - 120 mm in length and was assessed to be live when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Potamilus purpuratus, Specimen #598

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thick shell; white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1322

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; green external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Boone, Constance; Murphy, C. & Golightly, C.
System: The UNT Digital Library

Toxolasma texasense, Specimen #1154

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; dark brown external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Toxolasma texasense, Specimen #1155

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Leptodea fragilis, Specimen #470

One preserved mussel specimen including both the left and right valves. The specimen exhibits a rhomboidal shape; thin shell; double looped beak sculpturing; white internal coloring; tan external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Toxolasma texasense, Specimen #1156

One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; white internal coloring; dark brown external coloring; no external sculpturing. Collected in the San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.
Date: October 4, 1975
Creator: Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1328

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Utterbackia imbecillis, Specimen #1329

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 San Jacinto basin. The specimen measures between 0 - 60 mm in length and was assessed to be relatively-recently dead when collected.
Date: June 5, 1975
Creator: Britton, Joseph
System: The UNT Digital Library

Quadrula apiculata, Specimen #1619

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the San Jacinto basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: May 20, 1977
Creator: Golightly, C. & Evans, P.
System: The UNT Digital Library