| details |
Maestrichtian |
|
Benin |
Bio-Lokoto,A. et al. New biochronological and paleoecological data on the Coastal Sedimentary Basin of Benin Republic, (West Africa), between the Upper Cretaceous and Lowermost Eocene |
1998 |
| details |
Middle Maastrichtian |
Late Maastrichtian |
Nigeria |
Edet,J.J. et al. Palynostratigraphy of Nkporo Shale exposures (Late Campanian - Maastrichtian) on the Calabar Flank, southeast Nigeria. |
1994 |
| original |
Maastrichtian |
|
Nigeria |
Hoeken-Klinkenberg,P.M.Van A palynological investigation of some Upper Cretaceous sediments in Nigeria. |
1964 |