| original |
Oligocene |
|
Nigeria |
Biffi,U. et al. Peridinioid dinoflagellate cysts from the Oligocene of the Niger Delta, Nigeria. |
1983 |
| details |
Early Eocene |
|
Nigeria |
Oloto,I.N. Succession of palynomorphs from the Early Eocene of Gbekebo-1 Well in southwest Nigeria. |
1992 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Early Miocene |
|
Argentina(Santa Cruz) |
Barreda,V.D. et al. Palynostratigraphy of Late Oligocene-Miocene deposits in the southern San Jose Gulf area, Santa Cruz Prozince. |
2000 |
| details |
Late Maestrichtian |
|
Venezuela |
Yepes,O. Maastrichtian - Danian dinoflagellate cyst biostratigraphy and biogeography from two equatorial sections in Colombia and Venezuela. |
2001 |