| details |
Eocene |
|
Wyoming |
Santucci,V.L. The Yellowstone Paleontological Survey. |
1998 |
| details |
Late Eocene |
Early Oligocene |
Canada(Yukon) |
Long,D.G.F. et al. Age and depositional environment of the rock River Coal Basin, Yukon Territory, Canada. |
1994 |
| details |
Late Eocene |
|
Canada(British Columbia) |
Rouse,G.E. et al. Palynology and geochronology of Eocene beds from Cheslatta Falls and Nazko areas, central British Columbia. |
1988 |
| details |
Danian |
|
North Sea |
Holtedahe,H. et al. Two sediment cores from Norwegian continental shelf between Haltenbanken and Froyabanken (64'06'N,7'39'E) |
1974 |
| details |
Maestrichtian |
|
Mexico(Coahuila) |
Rueda-Gaxiola,J. Contribution to the palynologic and petrographic study of the Cretaceous Coal of the Sabina Basin, Coahuila, Mexico |
1967 |
| details |
Late Miocene |
Early Pliocene |
Canada(British Columbia) |
Martin,H.A. et al. Palynology of Late Tertiary sediments from Queen Charlotte Islands British Columbia |
1966 |
| original |
Paleocene |
|
Montana |
Wilson,L.R. et al. Plant microfossils from a Fort Union Coal of Montana. |
1946 |