| details |
Late Visean |
Early Namurian A |
Spitsbergen |
Hughes,N.F. et al. Palynological reconnaissance of the Lower Carboniferous of Spitsbergen. |
1961 |
| details |
Tournaisian |
Late Namurian |
Poland |
Krawczynska-Grocholska,H. The Namurian of the Nowa Ruda Basin in the light of palynological studies. |
1960 |
| details |
Namurian A |
|
Scotland(Fife) |
Butterworth,M.A. et al. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland |
1958 |
| details |
Namurian A |
|
Poland |
Butterworth,M.A. et al. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland |
1958 |