| original |
Early Oligocene |
Middle Oligocene |
China(Hopei) |
Jiabo On the Paleogene dinoflagellates and acritarchs from the Coastal Region of Bohai. |
1978 |
| details |
Middle Oligocene |
|
China(Shantung) |
He,C.-Q. et al. Early Tertiary microphytoplankton from the Dongpu Region |
1989 |
| details |
Middle Oligocene |
|
China(Honan) |
He,C.-Q. et al. Early Tertiary microphytoplankton from the Dongpu Region |
1989 |
| details |
Early Tertiary |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Oligocene |
Middle Miocene |
China(Hunan) |
Mao,S. et al. Early Tertiary dinoflagellates of Henan Province, classification nomination and morphological study. (In: Early Tertiary terrigenous Dinoflagellates and other Planktonic Algae from Henan Province and their Significance in Oil and Gas Prospecting.-S.Mao et al, editors) |
1995 |
| details |
Middle Oligocene |
Late Oligocene |
China(Hopei) |
Xu,J. et al. On the Paleogene microphytoplankton from the Shengli oil-bearing region, Shandong, China |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |