| details |
Barremian |
Aptian |
North America |
Doyle,J.A. et al. Early Cretaceous tetrads, zonasulcate pollen and Winteraceae. 2: Cladistic analysis and implication implications. |
1990 |
| details |
Early Aptian |
|
Senegal |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Early Aptian |
|
Ivory Coast |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Aptian |
|
Togo |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Aptian |
|
Nigeria |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Aptian |
|
Niger |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Late Aptian |
|
Nigeria |
Allix,P. et al. Discovery of Upper Aptian to Lower Albian date for microfossils in basal detrital series of the upper part of the Benue Trough (Nigeria). |
1981 |