original |
Late Ryazanian |
Late Valanginian |
Europe |
Davey,R.J. The stratigraphic distribution of dinocysts in the Portlandian (Latest Jurassic) to Barremian (Early Cretaceous), of northeast Europe. |
1979 |
original |
Middle Ryazanian |
Hauterivian |
Denmark |
Davey,R.J. Dinocysts stratigraphy of the latest Jurassic to Early Cretaceous of the Haldager No.1 borehole, Denmark. |
1982 |
original |
Berriasian |
Early Valanginian |
North Sea |
Herngreen,G.F.W. et al. Palynology of the Upper Jurassic, Central Graben, Scruff, and Delfland Groups in the Dutch Part of the North Sea Continental Shelf. |
1984 |
original |
Ryazanian |
|
North Sea |
Herngreen,G.F.W. et al. Revision of the "Late Jurassic" stratigraphy of the Dutch Central North Sea Graben. |
1989 |