| original |
Visean |
|
Scotland(E.Lothian) |
Spinner,E. Megaspore assemblages from Visean deposits at Dunbar, East Lothian, Scotland. |
1969 |
| details |
Early Namurian A |
|
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland, (northern Poland). Part 1 |
1975 |
| details |
Early Namurian A |
|
Poland |
DybovЎ-Jachowiczowa,S. et al. Revision of the Carboniferous megaspores with Corona. |
1977 |
| details |
Namurian A |
Namurian C |
Scotland |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |