| details |
Early Albian |
Middle Albian |
Virginia |
Crane,P.R. et al. Palaeobotanical evidence on the Early Radiation of Magnoliid angiosperms. (In: Early Evolution of Flowers. R.K. Endress and E.M. Friis, editors) |
1994 |
| details |
Albian |
Turonian |
Sudan |
Schrank,E. Nonmarine Cretaceous palynology of northern Kordofan, Sudan, with notes on fossil Salvinials (water ferns). |
1994 |
| details |
Barremian |
Aptian |
Nd |
Doyle,J.A. et al. Phylogenies and angiosperm diversification |
1993 |
| details |
Aptian |
Cenomanian |
Egypt |
Schrank,E. Nonmarine Cretaceous correlations in Egypt and northern Sudan; palynological and palaeobotanical evidence |
1992 |
| details |
Aptian |
Cenomanian |
Sudan |
Schrank,E. Nonmarine Cretaceous correlations in Egypt and northern Sudan; palynological and palaeobotanical evidence |
1992 |
| details |
Barremian |
Early Aptian |
Egypt |
Schrank,E. Mesozoic palynology and continental sediments in northeast Africa (Egypt and Sudan). A review. |
1991 |
| details |
Aptian |
|
Maryland |
Doyle,J.A. et al. Early Cretaceous tetrads, Zonasulculate pollen and Winteraceae. 1: Taxonomy, morphology and ultrastructure. |
1990 |
| details |
Early Aptian |
|
Delaware |
Ward,J.V. et al. Probable Granular Magnoliid angiosperm pollen from the Early Cretaceous |
1989 |
| details |
Early Aptian |
|
Virginia |
Ward,J.V. et al. Probable Granular Magnoliid angiosperm pollen from the Early Cretaceous |
1989 |