| 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 |
Wealden |
|
E.Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Berriasian |
|
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
| details |
Berriasian |
|
E.Germany |
Dжring,H. Table of the spore stratigraphic Divisions of the Malm |
1966 |
| original |
Middle Purbeckian |
|
E.Germany(Rostock) |
Dжring,H. Spore-palynologic classification of the Wealdean in Western Mecklenburg (Werlestructure). |
1965 |