| details |
Miocene |
Holocene |
USA(Gulf of Mexico) |
Wrenn,J.H. Differentiating species of the dinoflagellate cyst genus Nematosphaeropsis Deflandre and Cookson 1955 |
1988 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Santonian |
|
Atlantic Ocean(East) |
Masure,E. et al. Cretaceous - Paleocene palynology from the Cote D'Ivoire-Ghana transform margin, Sites 959, 960, 961 and 962. |
1998 |
| details |
Turonian |
Maestrichtian |
Venezuela |
Helenes,J. et al. Palynology and chronostratigraphy of the Upper Cretaceous in the subsurface of the Barinas Area, Western Venezuela. |
1998 |