| original |
Stephanian |
|
France(Jura) |
Alpern,B. A trial correlation by palynology of the Stephanian Coal Beds cored by four Drillings in the Lons-le-Saunier (Jura) Region. |
1958 |
| original |
Stephanian |
|
France(Nievre) |
Alpern,B. et al. Description of some microspores of the French Permo-Carboniferous. |
1958 |
| original |
Middle Stephanian |
|
France(Allier) |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Early Stephanian |
Middle Stephanian |
France(Jura) |
Navale,G.K.B. Palynologic study of some coals of France in relation to their petrographic structure. |
1962 |
| details |
Kungurian |
|
China(Shensi) |
Kaiser,H. The Permian microflora of the Cathaysia Layers of Northwestern Shensi, China. |
1976 |
| details |
Stephanian |
|
France(Jura) |
Kaiser,H. The Permian microflora of the Cathaysia Layers of Northwestern Shensi, China. |
1976 |