| details |
Middle Jurassic |
|
USSR(Caucasus) |
Yegoyan,V.L. et al. Phytoplanktonic microfossils as a criterion for stratigraphic subdivision of the Mesozoic-Cenozoic sedimentary cover of the western Caucasus and Cisaucasia. |
1977 |
| details |
Middle Jurassic |
|
USSR(Cis-Caucasus) |
Yegoyan,V.L. et al. Phytoplanktonic microfossils as a criterion for stratigraphic subdivision of the Mesozoic-Cenozoic sedimentary cover of the western Caucasus and Cisaucasia. |
1977 |
| original |
Valanginian |
|
USSR(Siberia) |
Zatonskaya,S.G. Algae of the Upper Jurassic and the lowest Parts of the Lower Cretaceous in the Shaim oil-bearing Region |
1983 |
| details |
Early Bajocian |
|
W.Germany(Baden) |
Feist-Burkhardt,S. et al. Jurassic palynology in southwest Germany. State of the art - 8th International Palynological Congress, Aix-en-Provence,13-16th Sept. 1992-Excursion F |
1992 |
| details |
Early Bathonian |
|
France(Calvados) |
Feist-Burkhardt,S. et al. Dinoflagellate cysts from the Bajocian stratotype (Calvados, Normandy, western France). |
1997 |