| details |
Early Miocene |
|
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 |
Pleistocene |
|
Atlantic Ocean |
Bonnefille,R. et al. Organic matter and palynology of DSDP Site 367 Pliocene-Pleistocene cores off West Africa. |
1982 |
| details |
Eocene |
Miocene |
Nigeria |
Rao,V.R. et al. A short survey of palaeobotanical studies, (Cretaceous and Tertiary ), in Nigeria |
1988 |
| details |
Ypresian |
|
India(Gujarat) |
Phadtare,N.R. et al. Fossil pollen evidence for possible Indian origin of Eleais Guineensis Jacq. |
1995 |