| details |
Middle Eocene |
Late Eocene |
Canada(British Columbia) |
Hopkins,W.S. Palynology of the Eocene Kitsilano Formation, Southwest British Columbia. |
1969 |
| 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 |
Miocene |
|
Washington |
Barnett,J. et al. Palynology and paleoecology of a sedimentary interbed in the Yakima Basalt, (Miocene), Palouse Falls, Washington. |
1980 |
| details |
Nd |
|
Nd |
Areces-Mallea,A.E. North American Gulf Coast palynomorphs from the Middle Eocene of Cuba. |
1988 |
| details |
Paleocene |
Early Eocene |
Washington |
Griggs,P.H. Stratigraphic significance of fossil pollen and spores of the Chuckanut Formation, northwest Washington. |
1965 |
| details |
Quaternary |
|
Colorado |
Scott,L. et al. Reworked Cretaceous palynomorphs in Late Quaternary deposits from Central Colorado USA. |
1984 |
| original |
Santonian |
|
Canada(Alberta) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |
| original |
Santonian |
|
Canada(Alberta) |
Rouse,G.E. The application of a new nomenclatural approach to Upper Cretaceous plant microfossils from Western Canada. |
1957 |