| original |
Early Valanginian |
|
E.Germany(Rostock) |
Dжring,H. Spore-palynologic classification of the Wealdean in Western Mecklenburg (Werlestructure). |
1965 |
| details |
Late Berriasian |
Valanginian |
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
| details |
Valanginian |
Barremian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Valanginian |
|
Europe |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |
| details |
Nd |
|
Nd |
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 |
Hauterivian |
Barremian |
USSR(Ukrainian SSR) |
Voronova,M.A. Early Cretaceous miospores of the Ukraine |
1984 |
| details |
Early Valanginian |
|
E.Germany(Rostock) |
Voronova,M.A. Early Cretaceous miospores of the Ukraine |
1984 |
| details |
Aalenian |
Bathonian |
Europe |
Boulter,M.C. et al. A reconstruction of some Middle Jurassic vegetation in northern Europe. (In: Studies in Palaeobotany and Palynology in Honour of Professor W.G.Chaloner, F.R.S. M.E.Collinson and A.C.Scott, editors) |
1993 |