| original |
Late Tithonian |
Early Berriasian |
England(Dorset) |
Hunt,C.O. Miospores from the Portland Stone Formation and the Lower Part of the Purbeck Formation (Upper Jurassic/Lower Cretaceous) from Dorset, England. |
1985 |
| details |
Nd |
|
Nd |
M©dus,J. et al. Palynology of some Berriasian Emersive levels from the Jura.Assemblages from Sardinia and Pyrenees |
1991 |
| details |
Early Portlandian |
|
North Sea |
Abbink,O.A. A Late Jurassic (Callovian - Early Ryazanian) ammonite-calibrated sporomorph zonation for the southern North Sea area. (In: Palynological Investigation in the Jurassic of the North Sea Region. O.A. Abbink) |
1998 |
| details |
Early Portlandian |
|
North Sea |
Abbink,O.A. Taxonomic Section. (In: Palynological Investigation in the Jurassic of the North Sea Region. O.A. Abbink) |
1998 |