| details |
Late Oligocene |
Early Pliocene |
Togo |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Late Eocene |
Oligocene |
Sudan |
Kaska,H.V. A spore and pollen zonation of Early Cretaceous to Tertiary nonmarine sediments of central Sudan. |
1989 |
| 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 Tertiary |
|
Nigeria |
Legoux,O. Some characteristic species of pollen from the Neogene of Nigeria. |
1978 |
| details |
Late Tertiary |
|
Nigeria |
Legoux,O. Some characteristic species of pollen from the Neogene of Nigeria. |
1978 |
| details |
Middle Miocene |
|
Nigeria |
Oboh,F.E. Middle Miocene palaeoenvironments of the Niger Delta |
1992 |
| details |
Late Oligocene |
Early Miocene |
Nigeria |
Takahashi,K. et al. Palynology of Middle Tertiary lacustrine deposits from the Jos Plateau, Nigeria. |
1989 |
| details |
Late Tertiary |
|
Nigeria |
Clarke,R.T. et al. Some new sporomorphs from the Upper Tertiary of Nigeria. |
1968 |
| original |
Late Tertiary |
|
Nigeria |
Clarke,R.T. Peregrinipollis nigericus, a new palynomorph from the Upper Tertiary of Nigeria. |
1966 |
| details |
Late Oligocene |
Early Pliocene |
Nigeria |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Late Miocene |
|
Niger |
Oboh,F.E. et al. Lithostratigraphical and palynostraigraphical studies of Igbomotoru -1 Well, Niger Delta. |
1989 |
| details |
Late Miocene |
|
Niger |
Oboh,F.E. et al. Palynological interpretation of the palaeoenvironments of Miocene strata of the Well Igbomotoru-1, Niger Delta. |
1992 |
| details |
Late Oligocene |
Early Pliocene |
Niger |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Middle Eocene |
|
Niger |
Salard-Cheboldaeff,M. et al. Palynological approach of "Continental Terminal" palaeoenvironments in the Iullemmeden Basin (Niger) |
1995 |
| details |
Late Eocene |
Miocene |
Niger |
Lang,J. et al. The Continental terminal in West Africa |
1990 |
| details |
Late Oligocene |
Early Pliocene |
Mali |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Late Eocene |
Early Miocene |
Gabon |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |