| details |
Miocene |
|
W.Germany(N.Rhine) |
Potonie,R. et al. Microbotany of Miocene Brown Coal from the Niederrheinische Bucht |
1934 |
| details |
Miocene |
|
Washington |
Barnett,J. et al. Palynology and paleoecology of a sedimentary interbed in the Yakima Basalt, (Miocene), Palouse Falls, Washington. |
1980 |
| details |
Late Cretaceous |
Miocene |
Washington |
Hopkins,W.S. Palynology of Tertiary rocks of the Whatcom Basin, southwest British Columbia, and northwest Washington. |
1966 |
| details |
Cretaceous |
Middle Eocene |
Wyoming |
Guennel,G.K. et al. Palynology of the Hoback Basin |
1973 |
| details |
Santonian |
Paleocene |
Wyoming |
Guennel,G.K. et al. Palynology of the Hoback Basin |
1973 |
| details |
Eocene |
|
Wyoming |
Santucci,V.L. The Yellowstone Paleontological Survey. |
1998 |