| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| 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 |
|
Nd |
DybovЎ,S. et al. The megaspores with a Corona of the Carboniferous. (In: General Problems of the Carboniferous Stratigraphy) |
1978 |
| details |
Late Arnsbergian |
Chokierian |
England(Northumberland) |
Turner,N. et al. Namurian (Arnbergian/Chokierian) megaspore assemblages from Northeast England |
1996 |