original |
Late Pennsylvanian |
|
Illinois |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
original |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
original |
Conemaugh |
Monongahela |
Kentucky |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
original |
Early Permian |
|
Canada(Yukon) |
Bamber,E.W. et al. Stratigraphy and palynology of a Permian section, Tatonduk River, Yukon Territory. |
1969 |
original |
Wolfcampian |
|
Arizona |
Kremp,K.N. Palynology of a Late Paleozoic Coal from fossil Creek Canyon, Arizona. |
1975 |