| details |
Late Kimmeridgian |
Portlandian |
France |
Stover,L.E. et al. Mesozoic-Tertiary dinoflagellates, acritarchs and Prasinophytes. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Kimmeridgian |
|
England(Yorkshire) |
Bailey,D.A. et al. Some dinoflagellate cysts from the Kimmeridgian Clay Formation, North Yorkshire and Dorset, UK |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Middle Volgian |
Late Ryazanian |
North Sea |
Dybkjaer,K. Palynological dating of the Mandal Formation (Uppermost Jurassic - Lowermost Cretaceous, Norwegian Central Graben) and correlation to organic-rich shales in the Danish sector. |
1998 |
| details |
Jurassic |
|
North Sea |
Abbink,O.A. Taxonomic Section. (In: Palynological Investigation in the Jurassic of the North Sea Region. O.A. Abbink) |
1998 |