| details |
Miocene |
|
Canada(British Columbia) |
Hopkins,W.S. Palynology of Tertiary rocks of the Whatcom Basin, southwest British Columbia, and northwest Washington. |
1966 |
| details |
Miocene |
|
Washington |
Hopkins,W.S. Palynology of Tertiary rocks of the Whatcom Basin, southwest British Columbia, and northwest Washington. |
1966 |
| details |
Miocene |
|
Canada(British Columbia) |
Clague,J.J. The St. Eugene Fromation and the development of the Southern Rocky Mountain Trench. |
1974 |
| details |
Nd |
|
Nd |
Ziembinska-Tworzydlo,M. et al. Taxonomical revision of selected pollen and spores taxa from Neogene deposits. (In: Neogene pollen flora of Central Europe. L. Stuchlik, editor) |
1994 |
| details |
Pliocene |
Pleistocene |
California |
Jefferson,G.T. Paleontological resources management, Anza-Borrego Desert State Park. |
2001 |
| details |
Tertiary |
|
Idaho |
Grey,J. Interpretation of co-occuring megafossils and pollen: A comparative study with Clarkia as an example. (In: Late Cenozoic history of the Pacific Northwest, interdisciplinary studies on the Clarkia fossil beds of Northern Idaho. C.J.Smiley, editor) |
1985 |