| details |
Late Liassic |
Early Dogger |
France(Pas-de-Calais) |
Danze,J. et al. Palynological study of a Clay found at the Lias-Dogger Boundry in a drilling at Boulogne-sur-Mer. |
1963 |
| details |
Rhaetian |
Hettangian |
France(Manche) |
Rioult,M. et al. Infraliassic microflora of Cotentin |
1966 |
| details |
Wealden |
|
France(Nord) |
Levet-Carrette,J. Wealdian microflora Coming from a natural Pit in the Vieux-Conde Shaft: (Valencienne Group). |
1966 |
| details |
Late Rhaetian |
Early Liassic |
France(Normandie) |
M©dus,J. Infralias pollen flora of Normandy, (France). |
1983 |