| details |
Oligocene |
Early Miocene |
British Guiana |
Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. |
1964 |
| details |
Early Eocene |
Early Oligocene |
British Guiana |
Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. |
1964 |
| details |
Oligocene |
Miocene |
Brazil(Amazonas) |
de Boer,N.P. et al. A palynological study on the age of some borehole samples from the Amazonas Delta area, northwest Brazil. |
1965 |
| details |
Late Neogene |
Pleistocene |
Surinam |
Wijmstra,T.A. Palynology of the Alliance Well. |
1969 |
| original |
Early Miocene |
Late Neogene |
French Guiana |
Wijmstra,T.A. The palynology of the Guiana Coastal Basin |
1971 |
| details |
Late Eocene |
|
Nigeria |
Jan du ChЄne,R.E. et al. Some new Eocene pollen of the Ogwashi-Asaba Formation, southeastern Nigeria. |
1978 |