original |
Barremian |
|
Congo |
Doyle,J.A. et al. Angiosperm pollen from the Pre-Albian Lower Cretaceous of equatorial Africa. |
1977 |
original |
Barremian |
Aptian |
Cameroon |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
original |
Barremian |
Aptian |
Gabon |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
original |
Barremian |
Aptian |
Congo |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
original |
Barremian |
Aptian |
Angola |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |