| details |
Middle Campanian |
|
Canada(Alberta) |
Campbell,J.D. et al. A new form of Ariadnaesporites from the Continental Upper Cretaceous, (Campanian), of the Alberta Plains. |
1971 |
| details |
Middle Albian |
Middle Cenomanian |
Portugal |
Berthou,P.Y. et al. The contribution of palynology to the stratigraphy of the Middle to Late Cretaceous West Portugal Basin. |
1981 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Maestrichtian |
|
Argentina(Chubut) |
Archangelsky,A. et al. Paleoazolla, a new Heterosporous fern from the Upper Cretaceous, Argentina. |
1999 |
| details |
Early Danian |
|
Brazil(Pernambuco) |
AlbertЈo,G.A. et al. A possible Tsunami deposit at the Cretaceous-Tertiary boundary in Pernambuco, Northeastern Brazil |
1996 |
| details |
Late Maestrichtian |
Danian |
Brazil(Pernambuco) |
AlbertЈo,G.A. et al. The Cretaceous-Tertiary boundary in southern lower latitude regions: Preliminary study in Pernambuco, northeastern Brazil. |
1994 |