| 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 |
Late Eocene |
Miocene |
Niger |
Lang,J. et al. The Continental terminal in West Africa |
1990 |
| 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 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 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 |