| original |
Early Valanginian |
|
E.Germany(Rostock) |
Dжring,H. Spore-palynologic classification of the Wealdean in Western Mecklenburg (Werlestructure). |
1965 |
| details |
Late Berriasian |
Hauterivian |
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
| details |
Valanginian |
|
Europe |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |
| details |
Berriasian |
|
Canada(Alberta) |
Ricketts,B.D. et al. Stratigraphy, sedimentology and palynology of the Kootenay-Blairmore transition in southwestern Alberta and southeastern British Columbia. |
1986 |
| details |
Berriasian |
|
Canada(British Columbia) |
Ricketts,B.D. et al. Stratigraphy, sedimentology and palynology of the Kootenay-Blairmore transition in southwestern Alberta and southeastern British Columbia. |
1986 |