| original |
Late Ryazanian |
Early Valanginian |
Denmark |
Davey,R.J. Dinocysts stratigraphy of the latest Jurassic to Early Cretaceous of the Haldager No.1 borehole, Denmark. |
1982 |
| original |
Late 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 |
| original |
Ryazanian |
|
North Sea |
Herngreen,G.F.W. et al. Revision of the "Late Jurassic" stratigraphy of the Dutch Central North Sea Graben. |
1989 |
| original |
Late Ryazanian |
|
Netherlands |
Herngreen,G.F.W. et al. Stratigraphy and tectonics of the Vlieland Basin, the Netherlands. (In: Generation, Accumulation and Production of Europe's Hydrocarbons. A.M.Spencer, editor) |
1991 |
| original |
Nd |
|
Nd |
Monteil,E. Daveya boresphaera, gen.et sp.nov., a valid name for the dinoflagellate cysts Gonyaulacysta sp.A, Davey,1979 and sp.B Davey 1982, and some remarks regarding the formal status of Muderongia "brevispinosa", Iosifova,1996. |
1996 |