| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. Megaspores from the Michigan Coal Basin. |
1950 |
| details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the Bassin Houiller of northern France, stratigraphic applicationsin the study of several boreholes. |
1969 |
| 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 |
Westphalian C |
Westphalian D |
Netherlands |
Dijkstra,S.J. The megaspores of the Westphalian D and C. |
1955 |
| details |
Late Carboniferous |
|
Netherlands |
Dijkstra,S.J. Carboniferous megaspores and their practical importance in Mining. |
1957 |
| details |
Westphalian |
|
Netherlands |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Westphalian B |
|
Netherlands |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |
| details |
Dinantian |
Westphalian C |
Poland |
Zoldani,Z. Megaspores from the north-eastern part of the Upper Silesian Coal Basin. (In: Contributions to the Geology of the Silesian and Cracovian Regions.) |
1960 |
| details |
Tournaisian |
Visean |
Poland |
Zoldani,E. Megaspores from the Devonian and Lower Carboniferous rocks in the Grzbiet Debnicki area |
1972 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Dinantian |
Westphalian B |
Poland |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |
| details |
Namurian C |
Danian |
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland, (northern Poland). Part 1 |
1975 |
| details |
Visean |
|
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland, (northern Poland). Part 1 |
1975 |
| details |
Visean |
Namurian A |
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland, (northern Poland). Part 1 |
1975 |
| details |
Namurian B |
|
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland, (northern Poland). Part 1 |
1975 |