| details |
Late Aptian |
|
W.Germany(Niedersachsen) |
Sarjeant,W.A.S. The German Aptian dinoflagellate cysts of Eisenack (1958): A restudy. |
1985 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Early Aptian |
|
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 |
Danian |
|
|
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |