| 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 |
Middle Stephanian |
|
France |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Westphalian |
Stephanian |
Romania |
Visarion,A. The spore-pollen assemblage of the Late Carboni Ferous Dragdsel Syncline-Sirinia zone |
1969 |
| details |
Westphalian |
Stephanian |
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |
| details |
Late Carboniferous |
Permian |
Romania |
Nastaseanu,S. et al. Paleogeographic evolution of Carboniferous terrains. General summary of the Paleozoic of Rumania. |
1975 |