| details |
Late Carboniferous |
|
USSR(Ukrainian SSR) |
Inosova,K.I. et al. Atlas of microspores and pollen of Upper Carboniferous and Lower Permian of Donets Basin. |
1976 |
| details |
Westphalian D |
|
France(Lorraine) |
Venkatachala,B.S. et al. Sporological study of the coals from Falkenberg (Faulquemont) Colliery, Lothringen (Lorrain) France. |
1964 |
| details |
Stephanian B |
|
France |
Alpern,B. et al. Stratigraphic distribution of some microspores of the Upper Carboniferous of France. |
1960 |
| original |
Westphalian D |
Early Permian |
France(Nievre) |
Alpern,B. et al. Description of some microspores of the French Permo-Carboniferous. |
1958 |