| details |
Early Kimmeridgian |
|
Tanzania |
Balduzzi,A. et al. Mesozoic Karoo and post-Karoo Formations in the Kilwa area, southeastern Tanzania. A stratigraphic study based on palynology, micropalaeontology and well log data from the Kizimbani Well. |
1992 |
| details |
Early Hauterivian |
|
North Sea |
Riley,L.A. et al. Lower Cretaceous palynology and Sandstone distribution in the Scapa Field, United Kingdom, North Sea. |
1992 |
| details |
Early Barremian |
|
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 |