| original |
Middle Eocene |
Late Eocene |
China(Shantung) |
Xu,J. New materials of dinoflagellates from the 4th Member of Shahejie Formation in Dongying Basin, Shandong Province. |
1987 |
| details |
Early Eocene |
Middle Eocene |
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 |
| details |
Nd |
|
Nd |
Evitt,W.R. et al. A Tiger by the Tail: the Exophragm of the Cretaceous-Paleocene dinoflagellate Palaeoperidinium and its implications |
1998 |