| original |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |
| details |
Middle Dinantian |
Middle Namurian |
Poland |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Namurian A |
Namurian B |
Poland |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Late Pottsville |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Conemaugh |
Monongahela |
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Allegheny |
Monongahela |
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Late Pottsville |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Conemaugh |
Monongahela |
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Allegheny |
Monongahela |
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. Megaspores from the Michigan Coal Basin. |
1950 |
| details |
Westphalian D |
|
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
| details |
Visean |
|
USSR(Ulyanov) |
Byvsheva,T.V. The spore-pollen characteristics of the Lower Carboniferous in the Melemess and Buzuluk explora-Tory Drill Holes. |
1957 |
| details |
Visean |
|
USSR(Orenburg) |
Byvsheva,T.V. The spore-pollen characteristics of the Lower Carboniferous in the Melemess and Buzuluk explora-Tory Drill Holes. |
1957 |
| details |
Liassic |
|
Poland |
Marcinkiewicz,T. Megaspores of the Lias from Praszka, Zawiercie, and the Swiety Krzyz Mountains. |
1957 |
| details |
Namurian A |
Namurian B |
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 |
USSR(European) |
Byvsheva,T.V. Spore-pollen assemblages of the terrigenous Part of the Lower Carboniferous of the Volga-Urals Region |
1960 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |