| original |
Oligocene |
|
China(Hopei) |
Jiabo On the Paleogene dinoflagellates and acritarchs from the Coastal Region of Bohai. |
1978 |
| details |
Paleogene |
|
China(Hupei) |
Wang,K.F. et al. Palynological assemblages of the crude oil from the Buried Hills of China and the research of the oil source |
1985 |
| details |
Early Tertiary |
|
China(Shantung) |
Wang,K.-F. et al. A study on the algal assemblages of crude oil from Buried Hill and the source Bed of oil in China |
1986 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |