| details |
Turonian |
Coniacian |
Colombia |
Prжssl,K.F. Preliminary results of palynological investigations on the Cretaceous of Columbia, South America |
1992 |
| details |
Middle Albian |
|
Colombia |
Prжssl,K.F. Preliminary results of palynological investigations on the Cretaceous of Columbia, South America |
1992 |
| details |
Late Hauterivian |
Early Barremian |
W.Germany(Niedersachsen) |
Kirsch,K.-H. et al. Quantitative studies of dinoflagellate cysts profile of the boundary beds of the Hauterivian - Barremian Boundary of the Claypit Otto Gott near Sarstedt, (Niedersachsen, northern Germany). |
1995 |