| details |
Late Volgian |
Late Ryazanian |
Barents Sea |
Smelror,M. et al. The Klippfisk Formation: A new lithostratigraphic unit of Lower Cretaceous platform carbonates on the western Barents Shelf. |
1998 |
| details |
Late Ryazanian |
|
North Sea |
Carruthers,A. et al. The application of sequence stratigraphy to the understanding of Late Jurassic turbidite plays in the Central North Sea, United Kingdom Central Graben. (In: Geology of the Humber Group: Central Graben and Moray Firth, United Kingdom Central Graben. A.Hurst et al, editors) |
1996 |
| original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |