| details |
Late Aptian |
Early Albian |
Brazil(Para) |
Beurlen,G. et al. The Cretaceous offshore Para and Maranhao, Brazil; Biostratigraphy, paleoecology. |
1987 |
| details |
Late Aptian |
Early Albian |
Brazil(Maranhao) |
Beurlen,G. et al. The Cretaceous offshore Para and Maranhao, Brazil; Biostratigraphy, paleoecology. |
1987 |
| details |
Cretaceous |
|
Nd |
Herngreen,G.F.W. et al. Cretaceous palynofloral Provinces: A review. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Eocene |
Middle Eocene |
Brazil(Maranhao) |
PedrŠo,E. et al. Palynostratigraphy of the Itapecuru Formation (Paraiba Basin) near Rosario, Maranhao State: Correlation and chronostratigraphy. |
1999 |