| 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 |
Early Maastrichtian |
|
Canada(Alberta) |
Jerzykiewicz,T. et al. Lithostratigraphical and sedimentological framework of coal-bearing Upper Cretaceous and Lower Tertiary strata, Coal Valley Area, Central Alberta Foothills. (Appendix 1: Palynology, A.R.Sweet) |
1980 |
| details |
Late Cretaceous |
|
China(NE.China) |
Zhou,S.-F. The Cretaceous and Tertiary Aquilapolles in China. |
1986 |