details |
Late Berriasian |
Early Aptian |
England(Dorset) |
Allen,P. et al. Correlation of northwest European Purbeck-Wealden, (nonmarine Lower Cretaceous), as seen from the English type areas |
1991 |
details |
Middle Purbeckian |
Late Purbeckian |
Netherlands |
Allen,P. et al. Correlation of northwest European Purbeck-Wealden, (nonmarine Lower Cretaceous), as seen from the English type areas |
1991 |
details |
Middle Purbeckian |
Late Purbeckian |
W.Germany(Niedersachsen) |
Allen,P. et al. Correlation of northwest European Purbeck-Wealden, (nonmarine Lower Cretaceous), as seen from the English type areas |
1991 |