| details |
Late Pennsylvanian |
|
Illinois |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| details |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| details |
Namurian |
|
Scotland |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Early Namurian A |
|
Canada(British Columbia) |
Halbertsma,H.L. et al. The Mississippian-Pennsylvanian boundary from the Peace River area to the Williston Basin. |
1960 |
| details |
Early Namurian A |
|
Canada(Alberta) |
Halbertsma,H.L. et al. The Mississippian-Pennsylvanian boundary from the Peace River area to the Williston Basin. |
1960 |
| details |
Early Namurian A |
|
Montana |
Halbertsma,H.L. et al. The Mississippian-Pennsylvanian boundary from the Peace River area to the Williston Basin. |
1960 |
| details |
Early Namurian A |
Middle Pottsville |
North Dakota |
Halbertsma,H.L. et al. The Mississippian-Pennsylvanian boundary from the Peace River area to the Williston Basin. |
1960 |
| original |
Namurian A |
|
Scotland(Fife) |
Butterworth,M.A. et al. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland |
1958 |