| original |
Middle Berriasian |
Late Berriasian |
|
Quattrocchio,M.E. et al. Jurassic and Lower Cretaceous dinocyst from Argentina; Their biostratigraphic significance. |
1990 |
| original |
Late Ryazanian |
|
North Sea |
Crittenden,S. et al. The Early - Middle Cretaceous lithostratigraphy of the Central North Sea, (United Kingdom Sector). |
1991 |
| original |
Aptian |
Albian |
Alaska |
Kimyai,A. Palynological assemblages of the Cretaceous sediments in the Fish Creek test Well No.1, North Slope, Alaska |
1992 |
| original |
Barremian |
|
Barents Sea |
Smelror,M. et al. The Klippfisk Formation: A new lithostratigraphic unit of Lower Cretaceous platform carbonates on the western Barents Shelf. |
1998 |
| original |
|
|
India(Madras) |
Mehrotra,N.C. et al. Cauvery Basin. (In: Palynology in Hydrocarbon Exploration : The Indian Scenario Part I: Category I : Basins) |
2002 |