| details |
Early Westphalian D |
|
Germany(Rhineland) |
Bharadwaj,D.C. The spore flora of Velener Schichten (Lower Westphalian D) in the Ruhr Coal Measures. |
1957 |
| details |
Namurian |
Westphalian A |
Turkey |
Artuz,S. Spore studies of the Alimolla, Sulu and Buyuk Coal Seams in the Zonguldak Basins. |
1959 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. Megaspores from the Michigan Coal Basin. |
1950 |
| details |
Westphalian B |
Stephanian |
France(Lorraine) |
Alpern,B. et al. Can the Lorraine Coalfield provide a stratotype for the Upper Westphalian? |
1967 |
| details |
Westphalian D |
Stephanian |
France(Lorraine) |
Alpern,B. et al. Palynologic zonation of the Carboniferous Basin of Lorraine. |
1966 |