| details |
Aptian |
|
Colombia |
Dueбas-Jimenez,H. Presence of the genus Afropollis in Columbia. (In: Paleobotanica e Palinologia na America do Sul; 1987. M.E.E.B. Oliveira-Babinski et al, editors) |
1989 |
| details |
Early Aptian |
|
Maryland |
Doyle,J.A. Revised palynological correlations of the Lower Potomac Group (USA) and the Cocobeach sequence of Gabon (Barremian-Aptian) |
1992 |
| details |
Late Barremian |
Early Aptian |
Gabon |
Doyle,J.A. et al. Early Cretaceous tetrads, Zonasulculate pollen and Winteraceae. 1: Taxonomy, morphology and ultrastructure. |
1990 |
| details |
Late Barremian |
Early Aptian |
Gabon |
Doyle,J.A. et al. Early Cretaceous tetrads, Zonasulculate pollen and Winteraceae. 1: Taxonomy, morphology and ultrastructure. |
1990 |
| 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 |
Middle Aptian |
Egypt |
Ibrahim,M.I.A. New angiosperm pollen from the upper Barremian - Aptian of the Western Desert, Egypt. |
2002 |