| original |
Late Maastrichtian |
|
Nigeria |
Jan du ChЄne,R.E. Some new pollen species of the Upper Maastrichtian, Tar Sand, Abeokuta Formation, Southern Nigeria. |
1977 |
| details |
Late Maastrichtian |
|
Nigeria |
Jan du ChЄne,R.E. Palynological study of the Tar Sand, Upper Maestrichtian of the southwest Nigeria. |
1979 |
| details |
Maastrichtian |
|
Nigeria |
Lawal,O. Palynological biostratigraphy and paleoenvironments of Cretaceous Formations in the Upper Benue, northeast Nigeria. |
1982 |
| details |
Late Maastrichtian |
|
Nigeria |
Lawal,O. et al. Palynological biostratigraphy of Cretaceous sediments in the Upper Benue Basin, Northeast Nigeria. |
1986 |