original |
Turonian |
Early Campanian |
Nigeria |
Lawal,O. Palynological biostratigraphy and paleoenvironments of Cretaceous Formations in the Upper Benue, northeast Nigeria. |
1982 |
original |
Turonian |
Early Campanian |
Nigeria |
Lawal,O. et al. Palynological biostratigraphy of Cretaceous sediments in the Upper Benue Basin, Northeast Nigeria. |
1986 |
original |
Santonian |
|
Brazil(Para) |
Beurlen,G. et al. The Cretaceous offshore Para and Maranhao, Brazil; Biostratigraphy, paleoecology. |
1987 |
original |
Santonian |
|
Brazil(Maranhao) |
Beurlen,G. et al. The Cretaceous offshore Para and Maranhao, Brazil; Biostratigraphy, paleoecology. |
1987 |