| details |
Eocene |
Early Oligocene |
Canada(British Columbia) |
Hopkins,W.S. Palynology of Tertiary rocks of the Whatcom Basin, southwest British Columbia, and northwest Washington. |
1966 |
| details |
Eocene |
Early Oligocene |
Washington |
Hopkins,W.S. Palynology of Tertiary rocks of the Whatcom Basin, southwest British Columbia, and northwest Washington. |
1966 |
| 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 |
Paleocene |
Early Eocene |
Washington |
Griggs,P.H. Stratigraphic significance of fossil pollen and spores of the Chuckanut Formation, northwest Washington. |
1965 |
| details |
Miocene |
|
Washington |
Barnett,J. et al. Palynology and paleoecology of a sedimentary interbed in the Yakima Basalt, (Miocene), Palouse Falls, Washington. |
1980 |
| details |
Early Miocene |
Middle Miocene |
California |
Barnett,J. Palynology and paleoecology of the Tertiary Weaverville Formation, Northwestern California, USA. |
1989 |
| details |
Middle Maastrichtian |
Late Maastrichtian |
North Dakota |
Artzner,D.G. Palynology of a Volcanic Ash in the Fox Hills Formation, (Maestrichtian), of Emmons, Morton, and Sioux Counties, North Dakota. |
1974 |
| details |
Nd |
|
Nd |
Areces-Mallea,A.E. North American Gulf Coast palynomorphs from the Middle Eocene of Cuba. |
1988 |