| details |
Early Eocene |
Middle Eocene |
Nigeria |
Kogbe,C.A. et al. The age of the Gwandu Formation (continental terminal) in north-western Nigeria as suggested by sporo-pollen analysis. |
1975 |
| details |
Late Pliocene |
|
Taiwan |
Huang,T.-C. Paleoecological study of Taiwan.4. Waichiataoken Profile. |
1975 |
| details |
Eocene |
|
Nigeria |
Kogbe,C.A. Review of the Continental Intercalaire and Continental terminal in the Iullemmeden Basin of West Africa |
1979 |
| details |
Eocene |
Miocene |
Nigeria |
Kogbe,C.A. Geology of the southeastern (Sokoto) sector of the Iullemmeden Basin. |
1979 |
| details |
Eocene |
Miocene |
Nigeria |
Rao,V.R. et al. A short survey of palaeobotanical studies, (Cretaceous and Tertiary ), in Nigeria |
1988 |