| details |
Early Carboniferous |
|
Poland |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Early Carboniferous |
|
USSR |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Early Carboniferous |
|
USSR(Moscow Basin) |
Dijkstra,S.J. et al. Lower Carboniferous megaspores from the Moscow Basin. |
1957 |
| details |
Early Carboniferous |
|
USSR(Moscow Basin) |
Dijkstra,S.J. et al. Lower Carboniferous megaspores from the Moscow Basin. |
1957 |
| details |
Visean |
Early Namurian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |