| details |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |
| details |
Dinantian |
|
Poland |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Westphalian B |
Westphalian C |
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
| details |
Monongahela |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Monongahela |
|
West Virginia |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Monongahela |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Monongahela |
|
Kentucky |
Cross,A.T. Spore floras of the Pennsylvanian of West Virginia and Kentucky |
1947 |
| details |
Westphalian B |
Westphalian C |
Czechoslovakia |
KalibovЎ,M. Megaspores of the Radnice Coal Measure zone of the Kladno-Rakovnik Coal Basin. |
1951 |
| details |
Westphalian B |
Westphalian C |
Czechoslovakia |
KalibovЎ,M. Megaspores of the Radnice Coal Measure zone of the Kladno-Rakovnik Coal Basin. |
1951 |
| details |
Westphalian B |
Westphalian C |
Netherlands |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Westphalian B |
Westphalian D |
Poland |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Carboniferous |
|
Indiana |
Felix,C.J. Spores of Arborescent Lycopods |
1954 |
| details |
Westphalian B |
Westphalian C |
Belgium |
Pi©rart,P. Megaspores in some Wesphalien B and C Coal Beds of Limbourg Meuse Coal Mines. |
1955 |
| details |
Westphalian C |
|
Netherlands |
Dijkstra,S.J. The megaspores of the Westphalian D and C. |
1955 |
| details |
Nd |
|
Nd |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
| details |
Carboniferous |
Permian |
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Note on palynological research in the Permo-Carboniferous Basins of Bohemia. |
1955 |
| details |
Westphalian B |
|
Belgium |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |