| details |
Hauterivian |
Early Aptian |
Canada(Alberta) |
Burden,E.T. Terrestrial palynomorph biostratigraphy of the Lower Part of the Mannville Group, (Lower Cretaceous) Alberta and Montana. (In: The Mesozoic of Middle North America. D.F.Stott and D.J.Glass, editors) |
1984 |
| details |
Valanginian |
|
USSR(Urals) |
Smirnova,S.B. Palynocomplexes of Jurassic - Cretaceous boundary deposits of Crimea, Caucasus and Pre-Caspian. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Portlandian |
Valanginian |
Europe |
Batten,D.J. et al. Stratigraphic significance of selected Late Jurassic and Cretaceous miospores in Northwest Europe. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| details |
Late Valanginian |
Middle Barremian |
Portugal |
Batten,D.J. et al. Stratigraphic significance of selected Late Jurassic and Cretaceous miospores in Northwest Europe. (In: Pollen and Spore Biostratigraphy of the Phanerozoic in Northwest Europe) |
1984 |
| details |
Berriasian |
Valanginian |
USSR(Kazakh SSR) |
Smirnova,S.B. et al. Differentiation of Jurassic and Lower Cretaceous sediments of the northern Buzachinskoe Uplift on the basis of palynological data |
1982 |
| details |
Wealden |
|
W.Germany(Hesse) |
Pelzer,G. et al. The Otavi-Schiefertonwerke Opern Pit, Oberkirchen Sequence 1 of the Buckeberg Formation, Berrais. (In: Wallensen, Wealden, Willershausen, Westersteine). |
1982 |
| details |
Late Oxfordian |
Early Valanginian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |
| details |
Hauterivian |
|
Atlantic Coast Offshore |
Bielak,L.E. et al. Biostratigraphy and depositional environments. (In: Tenneco Hudson Canyon 642-2 Well, geological and operational summary. L.E.Bielak, editor) |
1986 |
| details |
Early Barremian |
|
Celtic Sea |
Ainsworth,N.R. et al. Biostratigraphy of the Lower Cretaceous, Jurassic, and Uppermost Triassic of the North Celtic Sea and Fastnet Basins. (In: Petroleum Geology of North West Europe. J.J.Brooks and K.W.Glennie, editors) |
1987 |
| details |
Hauterivian |
|
USA(Eastern Offshore) |
Cousminer,H.L. et al. Biostratigraphy. (In: Tenneco Lydonia Canyon Block 187 No.1 Well. Geological and Operational. G.M.Edson, D.L.Olson and A.J.Petty, editors) |
2000 |