| details |
Aptian |
Albian |
Atlantic(Bay of Biscay) |
Stover,L.E. et al. Analyses of Mesozoic and Cenozoic organic-walled dinoflagellates 1977-1985 |
1987 |
| details |
Early Aptian |
Late Aptian |
Portugal |
Berthou,P.Y. et al. Stratigraphic implications of palynological studies on Berriasian to Albian deposits from Western and Southern Portugal. |
1990 |
| details |
Cretaceous |
|
Portugal |
Dinis,J.L. et al. Recognition and stratigraphical significance of the Aptian unconformity in the Lusitanian Basin, Portugal. |
1995 |
| details |
Cretaceous |
Early Turonian |
Arizona |
Li,H. et al. Dinoflagellate stratigraphy and its response to sea level change in Cenomanian-Turonian sections of the Western Interior of the United States. |
1996 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |