| details |
Early Oligocene |
Middle Oligocene |
China(Hopei) |
Jiabo On the Paleogene dinoflagellates and acritarchs from the Coastal Region of Bohai. |
1978 |
| details |
Early Miocene |
|
USSR(Ukrainian SSR) |
Venglinskii,I.V. et al. On the microfaunistic and palynological characteristics of the Upper Krosno deposits of the Dnestra Basin |
1981 |
| details |
Early Miocene |
Middle Miocene |
Thailand |
Songtham,W. et al. Oligocene-Miocene climatic changes in Northern Thailand resulting from extrusion tectonics of Southeast Asian Landmass. |
2003 |
| details |
Early Eocene |
Oligocene |
China(Kwangsi) |
He,C.-Q. et al. Early Tertiary dinoflagellates and acritarchs from the Bose Basin of Guangxi (Kwangsi) |
1979 |