| details |
Late Namurian |
|
Turkey |
Yahsiman,K. Palynology and correlation in the Zonguldak Coal Basin. |
1972 |
| details |
Early Carboniferous |
|
Poland |
Brzozowska,M. Megaspore analysis of rock samples of the Glogoc Zow IG-1 Borehole. |
1975 |
| details |
Namurian A |
|
Poland |
Knafel,S. et al. Zones of megaspore changes in Namurian a of the north eastern part of the Upper Silesian Coal Basin. (In: Geological Research in the Silesian-Cracovian Region.) |
1979 |
| details |
Westphalian D |
|
Poland |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |