| details |
Barremian |
Aptian |
Nd |
Doyle,J.A. et al. Phylogenies and angiosperm diversification |
1993 |
| details |
Aptian |
|
Maryland |
Doyle,J.A. et al. Early Cretaceous tetrads, Zonasulculate pollen and Winteraceae. 1: Taxonomy, morphology and ultrastructure. |
1990 |
| details |
Barremian |
Early Aptian |
Egypt |
Schrank,E. Mesozoic palynology and continental sediments in northeast Africa (Egypt and Sudan). A review. |
1991 |
| details |
Aptian |
Albian |
Egypt |
Schrank,E. et al. Cretaceous (Aptian-Maestrichtian) palynology of foraminifera-dated wells (KRM-1, AG-18) in Northwestern Egypt. |
1995 |
| details |
Late Barremian |
Early Aptian |
Israel |
Brenner,G.J. Evidence for the Earliest Stage of angiosperm pollen evolution : Paleoequatorial section for Israel. (In: Flowering plant origin, evolution and Phylogeny. D.W.Taylor and L.J.Hickey, editors) |
1996 |
| details |
Early Aptian |
Middle Aptian |
Virginia |
Crane,P.R. et al. Cretaceous floras containing angiosperm flowers and Fruits from eastern North America |
1996 |
| 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 |
Late Triassic |
Early Triassic |
China(Shanxi) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 2: The Mezozoic Spores and Pollen. |
2000 |