| original |
Westphalian B |
|
Canada(Nova Scotia) |
Nicholeris,N. A plant microfossil investigation of three Nova Scotian Coal Seams |
1951 |
| original |
Late Cretaceous |
|
Colorado |
Ames,H.T. Plant microfossils in a Colorado Cretaceous Coal |
1951 |
| 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 |
Early Triassic |
|
India(West Bengal) |
Shrivastava,R.N. et al. Palynological study of Borehole RO1(B), Ondal, West Bengal. |
1962 |
| original |
Namurian |
|
Romania |
Venkatachala,B.S. et al. Microfloristic studies on the Paleozoic of the Moesian Platform. On the presence of the Carboniferous formation in the foundation of the Calareti zone. |
1962 |
| original |
Conemaugh |
Monongahela |
Illinois |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
| original |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| original |
Middle Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Palynological studies of Middle Pennsylvanian Coal Beds of the proposed Pennsylvania system stratotype in West Virginia |
1988 |