| details |
Late Hauterivian |
|
North Sea |
Crittenden,S. et al. The Early - Middle Cretaceous lithostratigraphy of the Central North Sea, (United Kingdom Sector). |
1991 |
| 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 |
Hauterivian |
|
North Sea |
Bailey,D.A. et al. Oligosphaeridium Junctum sp.nov.a Hauterivian dinoflagellate cyst from the North Sea |
1997 |
| details |
Nd |
|
Nd |
Bailey,D.A. et al. Oligosphaeridium Junctum sp.nov.a Hauterivian dinoflagellate cyst from the North Sea |
1997 |