| original |
Middle Eocene |
|
Colorado |
Wodehouse,R.P. Tertiary pollen II. The oil shales of the Eocene Green River Formation |
1933 |
| original |
Middle Eocene |
|
Utah |
Wodehouse,R.P. Tertiary pollen II. The oil shales of the Eocene Green River Formation |
1933 |
| details |
Early Cretaceous |
|
Canada(British Columbia) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |
| details |
Early Cretaceous |
|
Canada(Yukon) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |
| details |
Santonian |
|
Canada(Alberta) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |
| details |
Early Cretaceous |
|
Canada(Ontario) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |
| details |
Early Cretaceous |
Late Cretaceous |
Canada |
Radforth,N.W. et al. Floral transgression of major geological time zones. |
1956 |
| details |
Santonian |
|
Canada(Alberta) |
Rouse,G.E. The application of a new nomenclatural approach to Upper Cretaceous plant microfossils from Western Canada. |
1957 |