| details |
Late Aptian |
Early Albian |
North Sea |
Crittenden,S. et al. The Early - Middle Cretaceous lithostratigraphy of the Central North Sea, (United Kingdom Sector). |
1991 |
| details |
Early Albian |
Middle Albian |
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1977 edition. |
1977 |
| details |
Late Hauterivian |
|
W.Germany(Niedersachsen) |
Kirsch,K.-H. et al. Quantitative studies of dinoflagellate cysts profile of the boundary beds of the Hauterivian - Barremian Boundary of the Claypit Otto Gott near Sarstedt, (Niedersachsen, northern Germany). |
1995 |
| details |
Hauterivian |
|
USSR(Ryazin) |
Iosifova,E.K. Dinocysts from Tchernaya Retchka (Ryazanian-Aptian, Lower Cretaceous) of the Moscow Basin, Russia |
1996 |
| details |
Albian |
|
Barents Sea |
Bugge,T. et al. Shallow stratigraphic drilling applied in hydrocarbon exploration of the Nordkapp Basin, Barents Sea. |
2002 |