| details |
Barremian |
|
China(Liaoning) |
Smith,J.B. et al. Biostratigraphy and avian origins in northeastern China. (In: New Perspectives on the Origin and Early Evolution of Birds: Proceedings of the International Symposium in Honor of John H. Ostrom. J. Gauthier and L. F. Gall, editors) |
2001 |
| details |
Aptian |
|
Egypt |
Ibrahim,M.I.A. et al. Palynostratigraphy of Jurrasic to Lower Cretaceous sequences from the Eastern Desert of Egypt. |
2001 |
| details |
Albian |
Cenomanian |
USA |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1979 |
| details |
Albian |
|
Romania |
Baltes,N. Palynological contributions to the knowledge of the stratigraphy of Lower Cretaceous deposits in Dobrogea |
1974 |
| details |
Albian |
Cenomanian |
Tanzania |
Srivastava,V. A Middle Cretaceous microfloral assemblage from Southern Coastal Tanzania |
1994 |