| details |
Early Oligocene |
Late Oligocene |
China(Kwangsi) |
Jiang,D.-X. et al. Spores and pollen from crude oils of Weizhou Oilfield in Beibu Gulf of South China Sea. |
1999 |
| details |
Eocene |
Early Oligocene |
China(Hopei) |
Zhu,Z. et al. New subspecies of Quercoidites microhenrici and their significance in reservoir description of Shengli oil-bearing Region |
2000 |
| details |
Kimmeridgian |
|
France(Orleans) |
Courtinat,B. Review of the dinoflagellate cyst Subtilisphaera? inaffecta (Drugg, 1978) Bujak and Davies, 1983 and Subtilisphaera? paeminosa (Drugg, 1978) Bujak and Davies, 1983. |
2001 |
| details |
Tithonian |
|
France(Pyrenees,Hautes) |
Courtinat,B. Review of the dinoflagellate cyst Subtilisphaera? inaffecta (Drugg, 1978) Bujak and Davies, 1983 and Subtilisphaera? paeminosa (Drugg, 1978) Bujak and Davies, 1983. |
2001 |