| details |
Berriasian |
Early Valanginian |
W.Germany(Niedersachsen) |
Dжrhжfer,G. Palynology and stratigraphy of the Buckeburg Formation (Berriasian-Valanginian) in the Hilsmulde (northwest Germany). |
1977 |
| details |
Early Valanginian |
|
W.Germany(Niedersachsen) |
Pelzer,G. et al. Depositional controls on the Lower Cretaceous Wealden Coals of Northwest Germany. (In: Controls on the distribution and quality of Cretaceous coals.P.J.Mccabe and J.T.Parrish, editors) |
1992 |
| details |
Wealden |
|
W.Germany(Hesse) |
Pelzer,G. et al. The Otavi-Schiefertonwerke Opern Pit, Oberkirchen Sequence 1 of the Buckeberg Formation, Berrais. (In: Wallensen, Wealden, Willershausen, Westersteine). |
1982 |
| details |
Givetian |
|
USSR(Russian Platform) |
Dжrhжfer,G. Palynology and stratigraphy of the Buckeburg Formation (Berriasian-Valanginian) in the Hilsmulde (northwest Germany). |
1977 |
| details |
Late Berriasian |
Early Valanginian |
Europe |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |