| details |
Early Liassic |
|
France(Pas-de-Calais) |
Danze-Corsin,P. et al. Microflora. (In: The Lower Lias flora of Boulonnais. (macro and micro flora.) |
1963 |
| details |
Triassic |
Early Liassic |
France(Boulonnais) |
Levet-Carrette,J. Lower Liassic microflora from Boulonnais. (Quarry Napoleon). |
1964 |
| details |
Hettangian |
|
France(Correze) |
Chўteauneuf,J.-J. et al. Stratigraphy and palynology of the Late Hettangian from the southwest border of the Central Massif and Brive-la-Gaillarde Region Correze. |
1974 |
| details |
Early Hettangian |
|
France(Paris Basin) |
Yang,Z. et al. Hettangian and Sinemurian magnetostratigraphy from Paris Basin |
1996 |