| details |
Late Volgian |
Ryazanian |
North Sea |
Hoelstad,T. Palynology and palynofacies analysis of the Middle Jurassic to Lower Cretaceous in the Danish Central Trough Efp-83 Project Jurassic -Lower Cretaceous stratigraphy and Basin development in the Danish North Sea Region |
1986 |
| details |
Late Kimmeridgian |
Ryazanian |
England(Norfolk) |
Riding,J.B. et al. Rotosphaeropsis thula (Davey 1982), comb.nov., emend. A dinoflagellate from the Upper Jurassic - Lower Cretaceous of England. |
1989 |
| details |
Late Kimmeridgian |
Ryazanian |
North Sea |
Herngreen,G.F.W. et al. Dinoflagellate, sporomorph, and micropaleontological zonation of Callovian to Ryazanian strata in the Central North Sea Graben, the Netherlands. |
1988 |
| details |
Volgian |
Ryazanian |
North Sea |
Riley,L.A. et al. The application of palynology in the interpretation of Brae Formation stratigraphy and reservoir geology in the South Brae Field area, British North Sea. (In: Correlation in Hydrocarbon Exploration. J.D.Collinson, editor). |
1990 |
| details |
Kimmeridgian |
Portlandian |
Nd |
Riding,J.B. et al. The role of dinoflagellate cysts in the biostratigraphical subdivision of the Jurassic system |
1985 |
| details |
Late Kimmeridgian |
Portlandian |
England(Norfolk) |
Riding,J.B. et al. Dinoflagellate cyst stratigraphy of the Kimmeridge Clay, (Upper Jurassic) from the Dorset Coast, southern England. |
1988 |
| details |
Middle Volgian |
Middle Barremian |
North Sea |
Heilmann-Clausen,C. Lower Cretaceous dinoflagellate biostratigraphy in the Danish Central Trough |
1987 |
| details |
Late Kimmeridgian |
Late Ryazanian |
Denmark |
Davey,R.J. Dinocysts stratigraphy of the latest Jurassic to Early Cretaceous of the Haldager No.1 borehole, Denmark. |
1982 |
| original |
Early Portlandian |
Early Ryazanian |
Denmark |
Davey,R.J. Dinocysts stratigraphy of the latest Jurassic to Early Cretaceous of the Haldager No.1 borehole, Denmark. |
1982 |
| details |
Late Kimmeridgian |
Early Ryazanian |
Europe |
Riding,J.B. Dinoflagellate cyst range-top biostratigraphy of the Uppermost Triassic to Lowermost Cretaceous of Northwest Europe |
1984 |
| details |
Middle Volgian |
Early Ryazanian |
North Sea |
Harker,S.D. et al. Triassic to Cenomanian stratigraphy of the Witch Ground Graben. (In: Petroleum Geology of North West Europe. J.J.Brooks and K.W.Glennie, editors) |
1987 |
| details |
Jurassic |
Early Ryazanian |
North Sea |
Partington,M.A. et al. Genetic sequence stratigraphy for the North Sea Late Jurassic and Early Cretaceous: Distribution and prediction of Kimmeridgian-Late Ryazanian Reservoirs in the North Sea and adjacent areas. (In: Petroleum Geology of Northwest Europe: Proceedings of the 4th Conference. J.R. Parker, editor) |
1993 |
| details |
Early Portlandian |
Early Ryazanian |
Denmark |
Riding,J.B. et al. Rotosphaeropsis thula (Davey 1982), comb.nov., emend. A dinoflagellate from the Upper Jurassic - Lower Cretaceous of England. |
1989 |
| details |
Early Portlandian |
Early Berriasian |
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 |
| details |
Late Oxfordian |
Berriasian |
North Sea |
Herngreen,G.F.W. et al. Revision of the "Late Jurassic" stratigraphy of the Dutch Central North Sea Graben. |
1989 |
| details |
Early Ryazanian |
|
North Sea |
Birkelund,T. et al. The Hectoroceras kochi Zone, (Ryazanian), in the North Sea Central Graben and remarks on the Late Cimmerian Unconformity. |
1982 |
| details |
Early Portlandian |
|
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 |