| details |
Late Westphalian A |
|
Belgium |
Pi©rart,P. Associations of microspores and megaspores in an Upper Westphalian A Stratum (Beeringen, Seam 70) in Campine (Belgium). |
1968 |
| details |
Late Westphalian B |
|
Belgium |
Pi©rart,P. Stratigraphic distribution of megaspores in the Limbourg-Meuse Coal Basin. comparison with the Limbourg Basin of the Nethrlands |
1964 |
| details |
Namurian |
Westphalian |
Belgium |
Pi©rart,P. Utilization of megaspores in Coal stratigraphy. |
1958 |
| details |
Carboniferous |
Permian |
Gondwanaland |
Pi©rart,P. Some remarks concerning the megaspores of Gondwana. |
1978 |
| details |
Westphalian B |
Westphalian C |
Belgium |
Pi©rart,P. Synopsis of megaspores of the Belgian Westphalian |
1963 |
| details |
Westphalian C |
|
Netherlands |
Potonie,R. et al. The sporae dispersae of the Ruhr Carboniferous, their morphography and stratigraphy with reviews of species of other areas. Part 1. |
1955 |
| details |
Westphalian C |
|
France(Pas-de-Calais) |
Selosse,N. Inventory of megaspores of Faisceau de Meuniere (Lower Westphalian B) in the Coal Basin of the North and of Pas-de-Calais. |
1963 |
| details |
Westphalian C |
|
France(Pas-de-Calais) |
Selosse,N. Inventory of megaspores of Faisceau de Meuniere (Lower Westphalian B) in the Coal Basin of the North and of Pas-de-Calais. |
1963 |
| details |
Pennsylvanian |
|
USA(Mid-Continent) |
Taylor,W.A. Comparative analysis of megaspore ultrastructure in Pennsylvanian Lycophytes |
1990 |
| details |
Permian |
|
Turkey |
Yahsiman,K. et al. Permian megaspores from Hazru (Diyarbakir). |
1959 |
| details |
Visean |
Namurian |
Poland |
Zoldani,Z. Megaspore studies. (In: The results of Kozlowa Gora borehole. A.Jachowicz et al, editors). |
1968 |