| details |
Late Campanian |
Early Maastrichtian |
Alaska |
Brouwers,E.M. et al. Dinosaurs on the North Slope, Alaska: High latitude Latest Cretaceous environments. |
1987 |
| details |
Late Santonian |
Early Campanian |
Canada(Alberta) |
Braman,D.R. Terrestrial palynomorphs of the Upper Santonian - ?Lower Campanian Milk River Formation, southern Alberta, Canada. |
2001 |
| 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 |
| original |
Late Cretaceous |
|
Alaska(North Slope) |
Tschudy,B.D. Species of Aquilapollenites and Fibulapollis from two Upper Cretaceous localities in Alaska. |
1969 |
| details |
Nd |
|
Nd |
Farabee,M.J. Morphology of Triprojectate fossil pollen: form and distribution in space and time. |
1993 |