| 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 A |
Westphalian C |
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 |
Nd |
|
Nd |
Chaloner,W.G. On the megaspores of four species of Lepidostrobus |
1953 |
| details |
Kinderhookian |
Chesterian |
Michigan |
Chaloner,W.G. Mississippian megaspores from Michigan and adjacent states. |
1954 |
| details |
Namurian |
|
Ireland |
Dijkstra,S.J. Lower Carboniferous megaspores. |
1956 |
| details |
Kinderhookian |
Chesterian |
Indiana |
Chaloner,W.G. Mississippian megaspores from Michigan and adjacent states. |
1954 |
| details |
Permian |
|
India(Madhya Pradesh) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Early Pennsylvanian |
|
Illinois |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |
| details |
Chesterian |
|
Illinois |
Winslow,M.R. Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois. |
1959 |
| 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 |
Belgium |
Pi©rart,P. Megaspores in some Wesphalien B and C Coal Beds of Limbourg Meuse Coal Mines. |
1955 |
| details |
Late Westphalian C |
|
Belgium |
Pi©rart,P. Preliminary note on the megaspores of the Upper Westphalian C in the Belgian Campine. |
1957 |
| details |
Westphalian B |
|
Belgium |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |