| original |
Middle Barremian |
Late Barremian |
England(Yorkshire) |
Duxbury,S. Barremian phytoplankton from Speeton, East Yorkshire. |
1980 |
| details |
Late Ryazanian |
Middle Barremian |
North Sea |
Heilmann-Clausen,C. Lower Cretaceous dinoflagellate biostratigraphy in the Danish Central Trough |
1987 |
| details |
Barremian |
|
Nd |
Jansonius,J. The species of Fromea (fossil dinoflagellates). |
1989 |
| details |
Barremian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Barremian |
Early Aptian |
North Sea |
Wilkinson,I.P. et al. Appendix: Cretaceous biostratigraphic biomarkers. (In: Cretaceous of the Central northern North Sea. H.Johnson and G.K.Lott, editors) |
1993 |
| details |
Late Barremian |
Early Aptian |
W.Germany(Niedersachsen) |
Heilmann-Clausen,C. et al. A dinoflagellate correlation of Barremian-Aptian (Lower Cretaceous) strata in Lower Saxony (Germany). (In: The Barremian-Aptian Boundary. A Study of profiles from the boreal Cretaceous.E.Kemper, editor) |
1995 |
| details |
Late Barremian |
Early Aptian |
W.Germany(Niedersachsen) |
Lister,J.K. et al. Palynostratigraphy of the Barremian-Aptian succession in the Wiechendorf 1/86 and Hoheneggelsen Kb9 boreholes in the Lower Saxony Basin, North Germany. (In: The Barremian-Aptian Boundary. A Study of profiles from the boreal Cretaceous.E.Kemper, editor) |
1995 |
| details |
Barremian |
Early Aptian |
W.Germany(Niedersachsen) |
Heilmann-Clausen,C. et al. Barremian-Aptian dinoflagellates and calcareous nannofossils in the Ahlum 1 Borehole and the Otto Gott Claypit, Sarstedt, Lower Saxony Basin, Germany. (In: The Barremian-Aptian Boundary. A Study of profiles from the Boreal Cretaceous.E.Kemper, editor) |
1995 |
| details |
Vraconian |
|
Brazil(Sergipe) |
Arai,M. et al. The dinoflagellates of the Vraconian of the Campos Basin, (Brasil). |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
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 |
| details |
Early Aptian |
|
North Sea |
Duxbury,S. A palynological zonation scheme for the Lower Cretaceous: United Kingdom Sector, Central North Sea. |
2001 |
| details |
Barremian |
Early Aptian |
Czech Republic |
Skupien,P. et al. Lower Cretaceous ammonite and dinocyst biostratigraphy and paleoenvironment of the Silesian Basin (Outer Western Carpathians). |
2002 |