| details |
Berriasian |
Valanginian |
Netherlands |
Herngreen,G.F.W. Palynological investigation. (In: Palaeobotanical and palynological investigation with notes on microfaunal of some core samples from the Lower Cretaceous in the Western Netherlands Basin by Amerom et al .,1976 |
1976 |
| details |
Hauterivian |
|
Canada(Eastern Offshore) |
Gradstein,F.M. et al. Biostratigraphy and depositional history of Amoco Imp Skelly B-1 Egret K-36 Grand Banks, Newfoundland. |
1976 |
| details |
Late Oxfordian |
Kimmeridgian |
Canada(NWT,Franklin) |
Brideaux,W.W. et al. Upper Jurassic-Lower Cretaceous dinoflagellate assemblages from Arctic Canada. |
1976 |
| details |
Late Tithonian |
Berriasian |
Canada(NWT,Franklin) |
Brideaux,W.W. et al. Upper Jurassic-Lower Cretaceous dinoflagellate assemblages from Arctic Canada. |
1976 |
| details |
Middle Kimmeridgian |
Late Kimmeridgian |
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Upper Jurassic-Lower Cretaceous dinoflagellate assemblages from Arctic Canada. |
1976 |
| details |
Berriasian |
Valanginian |
Netherlands |
Amerom,H.W.J.Van et al. Palaeobotanical and palynological investigation with notes on the microfauna of some core samples from the Lower Cretaceous in the West Netherlands Basin. |
1976 |
| details |
Berriasian |
Valanginian |
USSR(Caucasus) |
Fokina,N.I. et al. Palynological substantiation of the age of the Upper Jurassic and Lower Measures of the Lower Cretaceous, Eastern Fore-Caucasus. |
1975 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Kuvayeva,S.B. et al. Palynological characteristic of the Lower Cretaceous deposits of the mountain part of Crimea. |
1973 |
| details |
Late Barremian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. et al. On the stratigraphy of Lower Cretaceous sections from Bauxite concentrations on the Ukrainian Shield and in the Pre-Black Sea Basin |
1973 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Border Line between Jurassic and Cretaceous Systems. |
1973 |
| details |
Berriasian |
|
Europe |
Norris,G. Palynologic criteria for recognition of the Jurassic-Cretaceous boundary in Western Europe. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Valanginian |
|
USSR(Kazakh SSR) |
Shvetsova,E.M. Spore and pollen assemblages of the Lower Cretaceous deposits of the eastern Ustyurt. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Aptian |
|
Poland |
Mamczar,J. The stratigraphy of the Barremian to Middle Albian sediments in the Polish Lowland according to studies of microspores. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| original |
Early Cretaceous |
|
Netherlands |
Herngreen,G.F.W. The so-called Kuhfeld Beds in the eastern Netherlands. |
1973 |
| details |
Early Aptian |
|
Romania |
Antonescu,E. Characteristic palynologic assemblages of some Cretaceous formations in the Metalici Mountains. |
1973 |
| details |
Aptian |
Early Cenomanian |
Romania |
Antonescu,E. Characteristic palynologic assemblages of some Cretaceous Formations in the Metaliferi Mountains. |
1973 |