| original |
Late Barremian |
|
England(Sussex) |
Lister,J.K. et al. Stratigraphic and palaeoenvironment distribution of Early Cretaceous dinoflagellate cysts in the Hurlands Farm Borehole, West Sussex, England. |
1988 |
| details |
Late Barremian |
Early Aptian |
England(Sussex) |
Harding,I.C. A dinocyst calibration of the European Boreal Barremian |
1990 |
| details |
Early Aptian |
|
England(Dorset) |
Ruffell,A.H. et al. Uppermost Wealden facies and Lower Greensand Group (Lower Cretaceous) in Dorset, Southern England; correlation and palaeoenvironment. |
1994 |
| details |
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 |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |