| original |
Late Eocene |
|
Nigeria |
Jan du ChЄne,R.E. et al. Some new Eocene pollen of the Ogwashi-Asaba Formation, southeastern Nigeria. |
1978 |
| details |
Early Eocene |
|
Nd |
Salard-Cheboldaeff,M. Maastrichtian and Tertiary palynology of Cameroon.Qualitative study and range of the main species. |
1979 |
| details |
Late Eocene |
|
Nigeria |
Thanikaimoni,G. et al. Striatoechiperiporites, a new pollen genus from the Eocene of Niger. |
1987 |
| details |
Late Eocene |
Oligocene |
Nigeria |
Rao,V.R. et al. A short survey of palaeobotanical studies, (Cretaceous and Tertiary ), in Nigeria |
1988 |
| details |
Late Eocene |
|
Niger |
Lang,J. et al. The Continental terminal in West Africa |
1990 |
| details |
Middle Eocene |
|
Niger |
Salard-Cheboldaeff,M. et al. Palynological approach of "Continental Terminal" palaeoenvironments in the Iullemmeden Basin (Niger) |
1995 |