| details |
Late Barremian |
Early Albian |
Colorado |
Tschudy,R.H. et al. Palynological evaluation of Cedar Mountain and Burro Canyon Formations, Colorado Plateau. |
1984 |
| details |
Late Jurassic |
|
New Mexico |
Tschudy,R.H. et al. Illustrations of plant microfossils from the Morrison Formation Ii. plant microfossils from the Westwater Canyon Member |
1981 |
| details |
Neogene |
|
China(Xinjiang Uygur) |
Yang,H.-Q. et al. Spores and pollen from crude oil of Dushanzi Oilfield in Xinjiang. |
1989 |
| details |
Middle Senonian |
Late Senonian |
China(Manchuria) |
Yu,J. et al. Cretaceous palynological assemblages from the District South of the Songhua River. |
1983 |
| details |
Early Cretaceous |
|
China(Shansi) |
Yu,J.-X. The sporo-pollen assemblage from the Zuoyun Formation in Northwestern Shanxi and paleoclimate |
1986 |
| details |
Late Albian |
Early Cenomanian |
Canada(Ontario) |
Zippi,P.A. et al. Note; Recognition of a Cretaceous Outlier in Northwestern Ontario. |
1990 |