| original |
Middle Eocene |
Early Pliocene |
China(Qinghai) |
Zhu,Z. et al. A research on Tertiary palynology from the Qaidam Basin, Qinghai Province. |
1985 |
| details |
Oligocene |
Early Pliocene |
China(Qinghai) |
Jiang,D.-X. et al. Palynological evidence for the Tertiary petroleum source of the Qaidam Basin. |
1998 |
| details |
Cenomanian |
Late Oligocene |
China(N.China) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 1: The Late Cretaceous and Tertiary Spores and Pollen. |
1999 |
| details |
Cenomanian |
Late Oligocene |
China(S.China) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 1: The Late Cretaceous and Tertiary Spores and Pollen. |
1999 |