| 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 |
Middle Volgian |
|
Denmark |
Poulsen,N.E. Dinoflagellate cysts from the Albani Ammonite zone (Upper Jurassic) Denmark. |
1988 |
| details |
Middle Volgian |
|
North Sea |
Poulsen,N.E. Dinoflagellate cysts from the Albani Ammonite zone (Upper Jurassic) Denmark. |
1988 |
| 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 |
Middle Volgian |
|
Denmark |
Dybkjaer,K. Palynological zonation and stratigraphy of the Jurassic section in the Gassum No.1 |
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 |
Portlandian |
|
England(Dorset) |
Lord,A.R. et al. Dorset; Jurassic. (In: Mesozoic and Cenozoic stratigraphical micropalaeontology of the Dorset coast and Isle of Wight, southern England. Field guide for the XXth European Micropalaeontological Colloquium. A.R.Lord and P.R.Bown, editors) |
1987 |
| details |
Cretaceous |
|
Denmark |
Poulsen,N.E. Dinoflagellate cyst biostratigraphy of Rhaetian-Ryazanian (Upper most Triassic-Lowermost Cretaceous) deposits from the Danish Subbasin |
1994 |
| 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 |
Cretaceous |
|
North Sea |
Partington,M.A. et al. Biostratigraphic calibration of genetic stratigraphic sequences in the Jurassic-Lowermost Cretaceous (Hettangian to Ryazanian) of the North Sea and adjacent area. (In: Petroleum Geology of Northwest Europe: Proceedings of the 4th Conference. J.R. Parker, editor) |
1993 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| 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 |
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 |
Early Ryazanian |
|
North Sea |
Poulsen,N.E. Callovian-Volgian dinocyst stratigraphy of the Central Trough in the Danish North Sea area |
1986 |
| 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 |
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 |
Kimmeridgian |
Portlandian |
Nd |
Riding,J.B. et al. The role of dinoflagellate cysts in the biostratigraphical subdivision of the Jurassic system |
1985 |