| details |
Early Maastrichtian |
Late 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 |
Campanian |
Maastrichtian |
Kansas |
Lammons,J.M. The palynology and paleoecology of the Pierre Shale, (Campanian - Maestrichtian), of northwestern Kansas and Environs. |
1969 |
| original |
Campanian |
Maastrichtian |
California |
Mcleroy,C.A. et al. Upper Cretaceous, (Campanian-Maastrichtian), angiosperm pollen from the western San Joaquin Valley, California. |
1970 |