| original |
Berriasian |
Middle Valanginian |
North Sea |
Raynaud,J.F. The principal characteristic dinoflagellates from the Upper Jurassic of northern Europe. |
1978 |
| original |
Berriasian |
Middle Valanginian |
Europe |
Raynaud,J.F. The principal characteristic dinoflagellates from the Upper Jurassic of northern Europe. |
1978 |
| details |
Ryazanian |
Hauterivian |
North Sea |
Heilmann-Clausen,C. Lower Cretaceous dinoflagellate biostratigraphy in the Danish Central Trough |
1987 |
| details |
Early Valanginian |
|
North Sea |
Crittenden,S. et al. The Early - Middle Cretaceous lithostratigraphy of the Central North Sea, (United Kingdom Sector). |
1991 |
| details |
Tithonian |
Early Valanginian |
France(Ardeche) |
Monteil,E. Dinoflagellate cyst key species (Tithonian-Valanginian) of Southern France. Proposition of a new palynological zonation. |
1992 |
| details |
Tithonian |
Early Valanginian |
France(Alpes,Hautes) |
Monteil,E. Dinoflagellate cyst key species (Tithonian-Valanginian) of Southern France. Proposition of a new palynological zonation. |
1992 |
| details |
Late Valanginian |
|
North Sea |
Riley,L.A. et al. Lower Cretaceous palynology and Sandstone distribution in the Scapa Field, United Kingdom, North Sea. |
1992 |
| details |
Early Valanginian |
|
North Sea |
Wilkinson,I.P. et al. Appendix: Cretaceous biostratigraphic biomarkers. (In: Cretaceous of the Central northern North Sea. H.Johnson and G.K.Lott, editors) |
1993 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |