| original |
Late Eocene |
|
Denmark |
Keupp,H. et al. Problems with the systematics of calcareous dinoflagellate cysts based on morphologically defined taxa. |
1991 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Middle Eocene |
|
Brazil(Offshore) |
Hildebrand-Habel,T. et al. Variations in calcareous dinoflagellate associations from the Maastrichtian to Middle Eocene of the western South Atlantic Ocean (Sao Paulo Plateau, DSDP Leg 39, site 356) |
1999 |