| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |
| details |
Dinantian |
|
Poland |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Dinantian |
Namurian A |
Poland |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Allegheny |
Conemaugh |
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Allegheny |
Conemaugh |
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Early Namurian A |
|
Poland |
DybovЎ,S. Megaspore associations of the Ostrava-Karvina Carboniferous |
1960 |
| details |
Middle Pennsylvanian |
|
Poland |
Brzozowska,M. Megaspore study. (In: The Results of Borek Szlachecki Bore-Hole. S.Alexandrowicz et al, editor). |
1968 |
| details |
Late Visean |
Namurian A |
Poland |
Zoldani,Z. Megaspore studies. (In: Results of Golong Borehole. Y.Bojkowski et al, editors) |
1968 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Early Carboniferous |
|
Poland |
Brzozowska,M. Megaspore analysis of rock samples of the Glogoc Zow IG-1 Borehole. |
1975 |
| details |
Tournaisian |
Visean |
Poland |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian C |
Westphalian D |
Pennsylvania |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |