| 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 |
Santonian |
Early Campanian |
Canada(NWT,Mackenzie) |
Sweet,A.R. et al. An integrated analysis of the Brackett Coal Basin, Northwest Territories. (In: Current Research, Part G: Frontier Geoscience Program, Arctic Canada) |
1989 |
| details |
Santonian |
Early Campanian |
Canada(Alberta) |
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 |