| details |
Late Famennian |
Strunian |
Algeria |
Coquel,R. et al. Palynological study of the Illerene Formation (Devono-Carboniferous) in the Illizi Basin (Eastern Algerian Sahara) |
1989 |
| details |
Late Pliocene |
|
Alaska |
Nelson,R,E. et al. Pollen analysis of a Late Pliocene and Early Pleistocene section from the Gubik Formation of Arctic Alaska. |
1985 |
| details |
Late Cretaceous |
|
Alaska |
Foster,H.L. et al. Fossil pollen from nonmarine sedimentary rocks of the eastern Yukon-Tanana Region, East-Central Alaska. (In: Geologic studies in Alaska by the U.S. Geological Survey,1989) |
1990 |
| details |
Llandoverian |
Ludlovian |
Africa(Sahara) |
Combaz,A. The "Gamma zones" of the Silurian of the Sahara Regions; Organic content and conditions of deposition. (In: Beds rich in organic matter and their conditions of deposition) |
1985 |
| details |
Silurian |
Late Devonian |
Africa(Sahara) |
Combaz,A. Kerogen under a microscope |
1980 |
| details |
Late Paleozoic |
|
|
Arai,M. Biostratigraphy of Late Paleozoic pollen from Northeastern Parana Basin. |
1980 |
| details |
Emsian |
Frasnian |
|
Dino,R. Acritarchs from Ponta Grossa Formation and their stratigraphic significance-Devonian of Parana Basin |
1983 |
| details |
Late Westphalian |
Early Kungurian |
|
Eyles,N. et al. Hydrocarbon-bearing Late Paleozoic Glaciated Basins of Southern Central South America. (In: Petroleum Basins of South America. A.J.Tankard et al, editors) |
1995 |