| details |
Campanian |
Montian |
Utah |
May,F.E. A survey of palynomorphs from several coal-bearing horizons of Utah. |
1972 |
| details |
Lutetian |
|
Wyoming |
Leopold,E.B. Pollen and spores of the Kisinger Lakes fossil Leaf locality. (In: An Early Middle Eocene flora from the Yellowstone-Absaroka Volcanic Province Northwestern Wind River Basin, Wyoming. H.D. MacGinitie et al) |
1974 |
| details |
Middle Albian |
Late Albian |
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
| details |
Early Eocene |
Middle Eocene |
Nevada |
Wingate,F.H. Palynology and age of the Elko Formation, (Eocene) near Elko, Nevada. |
1983 |