| original |
Westphalian B |
|
Canada(Nova Scotia) |
Malloy,R.E. Carboniferous plant spores of the No.40 Brine Seam, Joggins, Nova Scotia. |
1951 |
| original |
Sakmarian |
Early Artinskian |
India(Madhya Pradesh) |
Datta,A.K. Note on the Palaeontology of the sedimentary rocks in the Jhagrakhand area, Madhya Pradesh |
1957 |
| 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 |
Conemaugh |
Monongahela |
Illinois |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |