| original |
Early Westphalian |
|
England(Northumberland) |
Thomas,B.A. A New British Carboniferous Calamite cone, Paracalamostachys spadiciformis. |
1969 |
| details |
Early Visean |
Stephanian C |
Czechoslovakia |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Early Visean |
Stephanian C |
USSR(Ukrainian SSR) |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Early Visean |
Stephanian C |
Poland |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Early Visean |
Stephanian C |
Germany |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Early Visean |
Stephanian C |
France |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Early Pennsylvanian |
Late Pennsylvanian |
Illinois |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |