details |
Middle Campanian |
|
Canada(Alberta) |
Jarzen,D.M. et al. Evolutionary significance and botanical relationships of Cretaceous angiosperm pollen in the Western Canadian Interor. |
1975 |
details |
Middle Campanian |
|
Canada(Alberta) |
Norris,G. et al. Evolution of the Cretaceous terrestrial palynoflora in Western Canada. |
1975 |
details |
Early Campanian |
|
Montana |
Payenberg,T.H.D. et al. Litho- and chronostratigraphic relationships of the Santonian - Campanian Milk River Formation in southern Alberta and Eagle Formation in Montana utilising stratigraphy, U-Pb geochronology, and palynology. |
2002 |