details |
Neocomian |
|
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
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 |
Early Valanginian |
|
France(Pyrenees,Orient.) |
M©dus,J. et al. Palynology of some Berriasian Emersive levels from the Jura.Assemblages from Sardinia and Pyrenees |
1991 |
details |
Late Barremian |
Early Aptian |
Canada(Alberta) |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
details |
Berriasian |
Aptian |
North America |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
details |
Berriasian |
|
England(Sussex) |
Norris,G. Palynology of the Jurassic-Cretaceous boundary in Southern England. |
1970 |
details |
Late Tithonian |
Berriasian |
England(Sussex) |
Norris,G. Miospores from the Purbeck Beds and marine Upper Jurassic of Southern England. |
1969 |
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 |
Tithonian |
Early Berriasian |
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
details |
Berriasian |
|
Europe |
Dжrhжfer,G. Distribution and stratigraphic utility of Oxfordian to Valanginian miospores in Europe and North America. |
1976 |