| details |
Early Eocene |
|
Belgium |
De Coninck,J. et al. Belgium. (In: The Northwest European Tertiary Basin. R.Vinken, compiler) |
1988 |
| details |
Ypresian |
|
Belgium |
De Coninck,J. Stratigraphic application of organic microfossils in the Ypresian of the Belgian Basin. |
1971 |
| details |
Early Eocene |
|
Belgium |
Costa,L.I. et al. The distribution of the dinoflagellate Wetzeliella in the Paleogene of North-Western Europe. |
1976 |
| details |
Ypresian |
|
Belgium |
De Coninck,J. Ypresian organic walled microfossils from the Belgian Basin. |
1975 |