| details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Singh,C. Lower Cretaceous microfloras of the Peace River area, Northwestern Canada, (Alberta). |
1971 |
| details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group, central Alberta, Canada. I. Introductory remarks. Geology and microplankton studies. |
1971 |
| details |
Late Albian |
Cenomanian |
Canada(Alberta) |
Norris,G. et al. Evolution of the Cretaceous terrestrial palynoflora in Western Canada. |
1975 |
| details |
Cenomanian |
|
Arizona |
Agasie,J.M. Late Cretaceous palynomorphs from northeastern Arizona. |
1969 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1969 |