details |
Albian |
Senonian |
Africa |
Jardin©,S. et al. Use of the Scanning Electron Microscope in palynology. |
1972 |
original |
Cenomanian |
|
Gabon |
Jardin©,S. et al. The genus Hexaporotricolpites Boltenhagen,1967, morphology, systematics, stratigraphy, and geographic extension. |
1972 |
original |
Cenomanian |
|
Congo |
Jardin©,S. et al. The genus Hexaporotricolpites Boltenhagen,1967, morphology, systematics, stratigraphy, and geographic extension. |
1972 |
original |
Cenomanian |
|
Angola |
Jardin©,S. et al. The genus Hexaporotricolpites Boltenhagen,1967, morphology, systematics, stratigraphy, and geographic extension. |
1972 |
details |
Late Albian |
Cenomanian |
Nigeria |
Lawal,O. Palynological biostratigraphy and paleoenvironments of Cretaceous Formations in the Upper Benue, northeast Nigeria. |
1982 |
details |
Late Albian |
Cenomanian |
Gabon |
Ward,J.V. et al. Ultrastructure and relationships of Mid-Cretaceous polyforate and triporate pollen from northern Gondwana. (In: Ultrastructure of Fossil Spores and Pollen. M.H.Kurmann and J.A.Doyle, editors) |
1994 |