| details |
Westphalian B |
Stephanian |
Poland |
Knafel,S. Investigation of the seams at Siodlow in the Carboniferous Coal Basin of Upper Silesia. |
1964 |
| details |
Late Gothlandian |
|
Poland |
Reissinger,A. Pollenanalysis extended to all sedimentary rocks of the geological Past |
1940 |
| details |
Westphalian A |
Westphalian C |
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Nd |
|
Nd |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |