| original |
Late Eocene |
Early Oligocene |
China(Hopei) |
Jiabo On the Paleogene dinoflagellates and acritarchs from the Coastal Region of Bohai. |
1978 |
| details |
Late Eocene |
Early Oligocene |
China(Hopei) |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1981 edition. |
1981 |
| details |
Late Eocene |
Early Oligocene |
China(Hopei) |
Lentin,J.K. et al. Status of the fossil dinoflagellate genera Ceratiopsis Vozzhennikova 1963 and Cerodinium Vozzhennikova 1963 emend. |
1987 |
| details |
Eocene |
Early 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 |