| details |
Vraconian |
Early Cenomanian |
Canada(Alberta) |
Leckie,D.A. et al. An anoxic events at the Albian-Cenomanian boundary ; The Fish Scale Marker Bed, northern Alberta, Canada. |
1992 |
| details |
Early Cenomanian |
|
Canada(Alberta) |
Nichols,D.J. et al. Biostratigraphy of Upper Cretaceous non-marine palynofloras in a north-south transect of the Western Interior Basin. (In: Evolution of the Western Interior Basin) |
1993 |
| details |
Cenomanian |
|
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |
| details |
|
|
India(Assam) |
Mehrotra,N.C. et al. Assam-Arakan Basin. (In: Palynology in Hydrocarbon Exploration:The Indian Scenario. Part 1: Category I : Basins) |
2002 |