original |
Early Berriasian |
|
England(Dorset) |
Hunt,C.O. Miospores from the Portland Stone Formation and the Lower Part of the Purbeck Formation (Upper Jurassic/Lower Cretaceous) from Dorset, England. |
1985 |
original |
Early Berriasian |
|
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
original |
Berriasian |
Early Valanginian |
W.Germany(Niedersachsen) |
Dжrhжfer,G. Palynology and stratigraphy of the Buckeburg Formation (Berriasian-Valanginian) in the Hilsmulde (northwest Germany). |
1977 |
original |
Berriasian |
Valanginian |
Romania |
Avram,E. et al. Cretaceous terrestrial and shallow marine deposits in northern South Dobrogea (southeast Roumania). |
1993 |
original |
Barremian |
|
Austria |
Gruen,W. et al. Studies in the Lower Cretaceous of the Vienna Woods. |
1972 |
original |
Aptian |
Albian |
South Dakota |
Cahoon,E.J. Lower Cretaceous pollen and spores from the Southern Black Hills |
1965 |
original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |