| details |
Tournaisian |
Visean |
USSR(Ukrainian SSR) |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| original |
Early Carboniferous |
|
USSR(Moscow Basin) |
Dijkstra,S.J. et al. Lower Carboniferous megaspores from the Moscow Basin. |
1957 |
| original |
Early Carboniferous |
|
USSR(Moscow Basin) |
Dijkstra,S.J. et al. Lower Carboniferous megaspores from the Moscow Basin. |
1957 |
| details |
Tournaisian |
Visean |
Poland |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Late Visean |
|
Poland |
Karczewska,J. Carboniferous spores from the Chelmi Boring (Eastern Poland). |
1967 |
| details |
Visean |
|
Poland |
Pi©rart,P. Systematics, stratigraphic and geographic distribution of Carboniferous and Permian megaspores. |
1975 |