| details |
Early Eocene |
Middle Eocene |
England(Isle of Wight) |
Islam,M.A. Review of the fossil dinioflagellate Cleistosphaeridium. |
1993 |
| details |
Aptian |
|
Egypt |
Schrank,E. et al. Cretaceous (Aptian-Maestrichtian) palynology of foraminifera-dated wells (KRM-1, AG-18) in Northwestern Egypt. |
1995 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Late Maestrichtian |
|
Venezuela |
Yepes,O. Maastrichtian - Danian dinoflagellate cyst biostratigraphy and biogeography from two equatorial sections in Colombia and Venezuela. |
2001 |