| details |
Berriasian |
Early Valanginian |
Atlantic Ocean |
Iosifova,Y.I. Phytoplankton from the Early Cretaceous deposits of the North Atlantic (Well 39I from the Gluyuoko-Vodnogo Drilling). (In: Paleoflora and Stratigraphy of the Phanerozoic. M.A.Akhmetev, editor) |
1989 |
| details |
Bartonian |
|
Netherlands |
De Coninck,J. Organic walled phytoplankton from the Bartonian and Eo-Oligocene transitional deposits of the Woensdrect borehole, southern Netherlands. |
1986 |
| details |
Barremian |
|
W.Germany(Bremen) |
Mutterlose,J. et al. Phytoplankton from the anoxic sediments of the Barremian, (Lower Cretaceous) of north West Germany. |
1987 |
| details |
Barremian |
|
Spitsbergen |
Grosfjeld,K. Palynoligocal age constraints on the base of the Helvetiafjellet Formation, (Barremian) on Spitsbergen. |
1992 |
| details |
Aptian |
Early Cenomanian |
Morocco(Offshore) |
Below,R. Aptian to Cenomanian dinoflagellate cysts from the Mazagan Plateau, Northwest Africa, (Sites 545 and 547, Deep Sea Drilling Project Leg 79). |
1984 |