| details |
Dinantian |
|
Poland |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Dinantian |
Namurian A |
Poland |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Late Pottsville |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pottsville |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Namurian A |
Namurian B |
Turkey |
Dijkstra,S.J. Megaspqres of the Turkish Carboniferous and their stratigraphical value. |
1952 |
| details |
Namurian A |
Namurian B |
Turkey |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Namurian A |
|
Poland |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Dinantian |
|
Scotland |
Chaloner,W.G. On the megaspores of four species of Lepidostrobus |
1953 |
| details |
Late Dinantian |
Namurian B |
Europe |
Brzozowska,M. et al. Remarks on stratigraphical range of some types of Carboniferous megaspores |
1958 |
| details |
Early Chesterian |
|
Illinois |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |