| original |
Desmoinesian |
|
Oklahoma |
Wilson,L.R. et al. Plant microfossils of the Croweburg Coal. |
1956 |
| details |
Middle Pennsylvanian |
|
Oklahoma |
Higgins,M.J. Stratigraphic position of the Coal Seam near Porter, Wagoner County, Oklahoma. |
1961 |
| details |
Middle Pennsylvanian |
|
Oklahoma |
Gibson,L.B. Palynology and paleoecology of the Iron post Coal (Pennsylvanian), of Oklahoma |
1961 |
| details |
Desmoinesian |
|
Oklahoma |
Davis,P.N. Palynology of the Rowe Coal (Pennsylvanian) of Oklahoma |
1961 |
| details |
Pennsylvanian |
|
Oklahoma |
Wilson,L.R. Palynological assemblage resemblance in the Crowburg Coal of Oklahoma. |
1964 |
| details |
Desmoinesian |
|
Oklahoma |
Meyers,W.C. Palynological correlation of the Henryetta Coal, Oklahoma. |
1967 |