| details |
Late Maastrichtian |
|
Canada(Alberta) |
Jerzykiewicz,T. et al. Caliche and associated improverished palynology assemblages: An innovative line of paleoclimatic research onto the Uppermost Cretaceous and Paleocene of Southern Alberta |
1986 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| original |
Maastrichtian |
|
Canada(Alberta) |
Snead,R.G. Microfloral diagnosis of the Cretaceous-Tertiary boundary, Central Alberta. |
1969 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Nambudiri,E.M.V. et al. Paleobotany, palynology and depositional environmen of the Maestrichtian Whitemud Formation in Alberta and Saskatchewan, Canada. |
1991 |