| details |
Middle Cretaceous |
Late Cretaceous |
China |
Su,D. et al. Late Mesozoic biostratigraphy of nonmarine ostracoda and pollen and spores in China. |
1983 |
| details |
Middle Campanian |
Late Campanian |
Canada(Saskatchewan) |
Eberth,D.A. et al. Stratigraphy, sedimentology and vertebrate paleontology of the Judith River Formation (Campanian) near Muddy Lake, westcentral Saskatchewan. |
1990 |
| details |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Late Turonian |
|
Canada(Alberta) |
Sweet,A.R. et al. Late Turonian marine and nonmarine palynomorphs from the Cardium Formation, North Central Alberta Foothills, Canada. (In: Sequences, stratigraphy, sedimentology; surface and subsurface. D.P.James and D.A.Leckie, editors) |
1988 |
| details |
Middle Cenomanian |
|
California |
Jameossanaie,A. et al. Palynology and plate tectonics: A case study on Cretaceous terrestrial sediments in the eastern Klamath Mountains of northern California, USA. |
1993 |
| details |
Cenomanian |
|
Arizona |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |