| details |
Westphalian C |
Westphalian D |
Netherlands |
Dijkstra,S.J. The megaspores of the Westphalian D and C. |
1955 |
| 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 B |
Westphalian C |
W.Germany(N.Rhine) |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Westphalian A |
Westphalian C |
W.Germany(N.Rhine) |
Kremp,G.O.W. Spore associations and microfauna horizons in the Carboniferous of the Ruhr. |
1952 |
| 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 A |
Westphalian C |
Netherlands |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| 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 A |
Westphalian B |
Scotland(Ayr) |
Sen,J. The megaspores of the Ayrshire Coalfield and their stratigraphic value. |
1964 |
| details |
Namurian A |
Westphalian B |
Poland |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Namurian A |
Westphalian B |
Poland |
Dijkstra,S.J. The stratigraphical value of megaspores |
1952 |
| details |
Namurian A |
Namurian C |
Turkey |
Dijkstra,S.J. Megaspqres of the Turkish Carboniferous and their stratigraphical value. |
1952 |
| original |
Namurian A |
Namurian C |
Turkey |
Dijkstra,S.J. New Carboniferous megaspores from Turkey. |
1952 |
| details |
Namurian B |
Early Westphalian A |
Poland |
Gгrecka,T. Stratigraphy of the Bialy Kamien Beds in the northwestern part of the Intra-Sudetic Trough on the Ground of palynological research. (In: Geological research in the Lower Silesian Region) |
1969 |
| details |
Kinderhookian |
Chesterian |
Michigan |
Chaloner,W.G. Mississippian megaspores from Michigan and adjacent states. |
1954 |
| details |
Kinderhookian |
Chesterian |
Indiana |
Chaloner,W.G. Mississippian megaspores from Michigan and adjacent states. |
1954 |
| details |
Visean |
Bashkirian |
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |