| details |
Late Coniacian |
Early Santonian |
USSR(Taymyr Nat.Okrug) |
Samoilovich,S.R. Microphytofossils of the Upper Cretaceous of the Katansk Basin and the correlation of Late Cretaceous sediments in northern USSR. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Late 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 |
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 |