| original |
Middle Eocene |
Late Eocene |
Canada(British Columbia) |
Rouse,G.E. Plant microfossils from the Burrard Formation of Western British Columbia. |
1962 |
| details |
Paleocene |
Early Eocene |
Washington |
Griggs,P.H. Stratigraphic significance of fossil pollen and spores of the Chuckanut Formation, northwest Washington. |
1965 |
| details |
Late Cretaceous |
Early Eocene |
Washington |
Griggs,P.H. Palynological interpretation of the type section, Chuckanut Formation, northwestern Washington. (In: Symposium on Palynology of the Late Cretaceous and Early Tertiary. R.M Kosanke and A.T. Cross, editors) |
1970 |
| details |
Nd |
|
Nd |
Wilson,M.A. Palynology of three sections across the Uppermost Cretaceous/Paleocene boundary in the Yukon Territory and District of MacKenzie, Canada. |
1978 |