| details |
Late Albian |
Early Cenomanian |
Nigeria |
Jan du ChЄne,R.E. et al. Biostratigraphic study of the borehole 0J0-1 SW Nigeria, with special emphasis on the Cretaceous microflora. |
1978 |
| details |
Cretaceous |
|
Brazil(Pernambuco) |
de Lima,M.R. Paleontology of the Santana Formation, (Cretaceous of Northeast Brazil). |
1979 |
| details |
Middle Albian |
Late Albian |
Portugal |
Berthou,P.Y. et al. The contribution of palynology to the stratigraphy of the Middle to Late Cretaceous West Portugal Basin. |
1981 |
| details |
Aptian |
Cenomanian |
Sudan |
Kaska,H.V. A spore and pollen zonation of Early Cretaceous to Tertiary nonmarine sediments of central Sudan. |
1989 |
| details |
Aptian |
Cenomanian |
Sudan |
Christopher,R.A. et al. Introduction to biostratigraphy and time scales. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |