details |
Domerian |
Toarcian |
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 |
Domerian |
Toarcian |
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 |
details |
Cenomanian |
|
England(Surrey) |
Davey,R.J. Non-calcareous microplankton from the Cenomanian of England, Northern France and North America. Part 2. |
1970 |
details |
Bartonian |
|
England(Hampshire) |
Bujak,J.P. Microplankton from the Barton Beds of the Hampshire Basin, England. |
1973 |
details |
Bajocian |
Bathonian |
Canada(NWT,Franklin) |
Johnson,C.D. et al. Microplankton zones of the Savik Formation (Jurassic), Axel Heiberg and Ellesmere Islands, District of Franklin. |
1973 |
details |
Aptian |
Early Albian |
Canada(Alberta) |
Wightman,D.M. et al. Depositional modelling of the Upper Mannville (Lower Cretaceous), eastcentral Alberta. Implications for the recognition of brackish-water deposits. (In: Reservoir Sedimentology. R. Tillman and K.J. Weber, editors) |
1987 |
details |
Albian |
Early Cenomanian |
France(Charente-Maritime) |
DeЎk,M.H. et al. Orbanic microfossils from the Wealdean and Cenomanian from a Bore-Hole of Charente-Maritime. |
1967 |