| details |
Visean |
Namurian |
Poland |
Jachowicz,A. Megaspore studies. (In: The results of Kozlowa Gora borehole. A.Jachowicz et al, editors). |
1968 |
| details |
Late Visean |
Early Namurian |
Poland |
Jachowicz,A. Palynological investigations of the Upper Carboni Ferous in the Polish Part of the Upper Silesia Coal Basin |
1967 |
| details |
Namurian A |
|
Poland |
Konior,K. et al. New Coal Measure sections from boreholes of the South-Eastern Part of the Upper Silesian Basin. |
1974 |
| details |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Nd |
|
Nd |
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 |
| details |
Visean |
|
USSR(Russian Platform) |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |
| original |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |