| details |
Westphalian A |
Westphalian C |
France(Nord) |
Coquel,R. Palynologic study of the coal series of the Valenciennes production unit of the North France Coal Basin. |
1974 |
| details |
Early Westphalian A |
Early Westphalian C |
France(Meuse) |
Coquel,R. Palynological study of the Carboniferous series of the Unite de Production de Valenciennes, from the Coal Basin of northern France. |
1976 |
| details |
Westphalian C |
Early Stephanian |
Spain |
Chўteauneuf,J.-J. Palnology of the productive layers of the Central Basin of Asturias (Spain) |
1974 |
| details |
Ladinian |
|
Romania |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| original |
Early Anisian |
|
Romania |
Antonescu,E. Three new types of spores in the Triassic and Cretaceous of Roumania. |
1978 |
| original |
Middle Stephanian |
|
France |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| original |
Middle Stephanian |
|
France(Jura) |
Alpern,B. et al. Description of some microspores of the French Permo-Carboniferous. |
1958 |