| details |
Santonian |
Maastrichtian |
California |
Frederiksen,N.O. Tectonic and paleogeographic setting of a new latest Cretaceous floristic province in North America. |
1987 |
| details |
Late Senonian |
|
Arctic Ocean |
Brattseva,G.M. Palynological studies of Upper Cretaceous Barents Sea deposits. |
1985 |
| details |
Maestrichtian |
Eocene |
Alaska(North Slope) |
Frederiksen,N.O. et al. Palynological dating of Upper Cretaceous to Middle Eocene strata in the Sagavanirktok and Canning Formation, North Slope of Alaska. |
1998 |
| details |
Paleocene |
Early Oligocene |
Alaska |
Wiggins,V.D. et al. Changes in Non-Marine palynofloras from the Oligocene of Alaska, USA. |
1988 |
| details |
Late Maastrichtian |
|
Alaska |
Frederiksen,N.O. et al. Palynology of Maestrichtian and Paleocene rocks, Lower Colville River Region, North Slope of Alaska. |
1988 |
| details |
Late Campanian |
Maastrichtian |
Alaska |
Foster,H.L. et al. Fossil pollen from nonmarine sedimentary rocks of the eastern Yukon-Tanana Region, East-Central Alaska. (In: Geologic studies in Alaska by the U.S. Geological Survey,1989) |
1990 |