| original |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Knox,E.M. The spores of Lycopodium, Phylloglossum, Selaginella and Isoetes and their value in the study of microfossils of Paleozoic age. |
1950 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Carboniferous |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Stephanian B |
|
W.Germany(Saarland) |
Bharadwaj,D.C. The spore genera from the Upper Carboniferous Cos of the Saar and their value in stratigraphical studies. |
1956 |
| details |
Stephanian B |
Stephanian C |
France(Aveyron) |
Doubinger,J. Presence of Monocolpate pollen in a Coal of the Decazeville Basin (Aveyron) |
1957 |
| details |
Carboniferous |
|
France(Jura) |
Alpern,B. Some Current problems of Coal palynology. |
1960 |
| details |
Stephanian A |
Stephanian B |
W.Germany(Saarland) |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Stephanian C |
|
W.Germany(Saarland) |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Stephanian A |
Stephanian B |
Illinois |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Westphalian |
|
France(Lorraine) |
Alpern,B. et al. Preliminary palynologic study of the Lorraine Coal Basin.Application to the correlation of Seams. |
1960 |
| details |
Pennsylvanian |
|
Indiana |
Neavel,R.C. et al. Palynology and petrography as indicators of Pennsylvanian Coal-Seam environments. |
1961 |
| details |
Westphalian C |
|
Canada(Nova Scotia) |
Hacquebard,P.A. Palynological studies of some Upper and Lower Carboniferous strata in Nova Scotia. |
1961 |
| details |
Westphalian C |
|
Canada(PEI) |
Hacquebard,P.A. Palynological studies of some Upper and Lower Carboniferous strata in Nova Scotia. |
1961 |
| details |
Westphalian D |
|
Canada(Nova Scotia) |
Hacquebard,P.A. et al. Distribution and stratigraphic significance of small spore genera in the Upper Carboniferous of the Maritime Provinces of Canada. |
1961 |
| details |
Westphalian D |
|
Canada(Newfoundland) |
Hacquebard,P.A. et al. Distribution and stratigraphic significance of small spore genera in the Upper Carboniferous of the Maritime Provinces of Canada. |
1961 |