| details |
Early Eocene |
|
England |
Islam,M.A. Review of the fossil dinioflagellate Cleistosphaeridium. |
1993 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Early Eocene |
Early Oligocene |
Nd |
Eaton,G.L. et al. Re-evaluation of the status of the dinoflagellate cyst genus Cleistophaeridium. |
2001 |
| details |
Early Eocene |
|
England(Isle of Wight) |
Eaton,G.L. et al. Re-evaluation of the status of the dinoflagellate cyst genus Cleistophaeridium. |
2001 |
| details |
|
|
India(Assam) |
Mehrotra,N.C. et al. Assam-Arakan Basin. (In: Palynology in Hydrocarbon Exploration:The Indian Scenario. Part 1: Category I : Basins) |
2002 |
| details |
Late Albian |
|
Czech Republic |
Svobodova,M. et al. Microfossils of the Albian and Cenomanian Shales from the Stramberk Area (Silesian Unit, Outer Western Carpathians, Czech Republic). |
2004 |