There are 12 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 132869 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 5 Bashkirian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132870 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 4 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132872 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 2 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132878 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 10 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132879 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 11 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132881 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 245 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132883 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 260 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132885 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 211 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132888 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 233 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132896 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. A-87 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132906 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. L-22 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |
| 132907 | M. Clapham | Johns Valley Shale, Ouachita Mountains loc. 290 Early Pennsylvanian - Carboniferous 4 - Oklahoma | Harlton (1933) |