| details |
Late Eocene |
Early Miocene |
Angola |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Middle Eocene |
Oligocene |
Benin |
Oyede,M. et al. Dating of the so called "Oligocene" Unconformity in the onshore part of the coastal sedimentary Basin of Benin (West Africa). |
1992 |
| details |
Late Eocene |
Oligocene |
Sudan |
Christopher,R.A. et al. Introduction to biostratigraphy and time scales. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Oligocene |
Early Miocene |
Tunisia |
Torricelli,S. et al. Palynostratigraphy of the Numidian Flysch of northern Tunisia (Oligocene - Early Miocene). |
2001 |
| details |
Paleogene |
|
Nigeria |
Oboh-Ikuenobe,F.E. et al. Lithofacies, palynofacies, and sequence stratigraphy of Palaeogene strata in Southeastern Nigeria. |
2005 |