original |
Early Cretaceous |
|
USSR(Omskaya Oblast) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
details |
Late Berriasian |
Valanginian |
Europe |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |
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 |
|
Germany |
Dжrhжfer,G. et al. Palynostratigraphic contributions to correlation of Jurassic-Cretaceous boundary strata in Germany and England. |
1977 |
details |
Late Berriasian |
Valanginian |
W.Germany(Niedersachsen) |
Dжrhжfer,G. et al. Discrimination and correlation of highest Jurassic and lowest Cretaceous terrestrial palynofloras in North-Westeurope. |
1977 |
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 |
Kimmeridgian |
Hauterivian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
details |
Wealden |
|
W.Germany(Niedersachsen) |
Riegel,W. et al. First results of a paleobotanic Dig in the fluvial Wealden facies of Osterwald near Hannover. (In: Reports of the Workgroup for Paleobotany and Palynology 1983-1985. F.Schaarschmidt, editor) |
1986 |