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Primary view of Utterbackia imbecillis, Specimen #1330
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1331
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1332
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1333
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1334
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1335
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1336
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1337
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1338
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1339
Britton, Joseph
June 5, 1975
Primary view of Toxolasma texasense, Specimen #1173
Britton, Joseph
June 5, 1975
Primary view of Toxolasma texasense, Specimen #1209
Britton, Joseph
May 20, 1977
Primary view of Toxolasma texasense, Specimen #1210
Britton, Joseph
May 20, 1977
Primary view of Potamilus purpuratus, Specimen #596
Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
October 4, 1975
Primary view of Potamilus purpuratus, Specimen #597
Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
October 4, 1975
Primary view of Potamilus purpuratus, Specimen #598
Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
October 4, 1975
Primary view of Utterbackia imbecillis, Specimen #1322
Britton, Joseph; Boone, Constance; Murphy, C. & Golightly, C.
October 4, 1975
Primary view of Toxolasma texasense, Specimen #1154
Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
October 4, 1975
Primary view of Toxolasma texasense, Specimen #1155
Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
October 4, 1975
Primary view of Leptodea fragilis, Specimen #470
Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
October 4, 1975
Primary view of Toxolasma texasense, Specimen #1156
Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
October 4, 1975
Primary view of Utterbackia imbecillis, Specimen #1328
Britton, Joseph
June 5, 1975
Primary view of Utterbackia imbecillis, Specimen #1329
Britton, Joseph
June 5, 1975
Primary view of Pyganodon grandis, Specimen #768
Britton, Joseph; Murphy, C.; Golightly, C. & Boone, Constance
October 4, 1975
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