| details |
Valanginian |
|
Canada(NWT) |
Pocock,S.A.J. The Jurassic-Cretaceous boundary in northern Canada. |
1967 |
| details |
Valanginian |
Barremian |
England(Sussex) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| details |
Valanginian |
Barremian |
England(Dorset) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| details |
Valanginian |
Aptian |
England(Isle of Wight) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| details |
Valanginian |
Hauterivian |
USSR(Ukrainian SSR) |
Yanovskaya,G.G. Spore-pollen complexes of the Upper Jurassic-Lower Cretaceous from the Prut-Dnester Interfluve. |
1971 |
| details |
Valanginian |
Hauterivian |
USSR(Ukrainian SSR) |
Yanovskaya,G.G. Spore-pollen complexes of the Upper Jurassic-Lower Cretaceous from the Prut-Dnester Interfluve. |
1971 |
| details |
Valanginian |
Hauterivian |
Peru |
PrЎmparo,M.B. et al. First palynological data from the Lower Cretaceous of the Arequipa Basin, Southern Peru |
1994 |
| details |
Valanginian |
|
Alaska |
Mickey,M.B et al. Paleontologic data: Tingmerkpuk Sandstone and related units, northwestern de Long Mountains, Brooks Range, Alaska. |
1995 |
| details |
Valanginian |
|
Alaska(North Slope) |
Mickey,M.B. et al. Biostratigraphy report 109 outcrop samples Western Delong Mountains field party North Slope, Alaska. (In: Micropaleontology of Cretaceous and Jurassic shales from the Northwestern Delong Mountains, Western Brooks Range, Alaska, 1994-1997. M.B.Mickey and H.Haga, editors) |
1998 |
| details |
Valanginian |
Barremian |
China(Heilungkiang) |
Gang,L. Palaeontology and biostratigraphy of the Lower Cretaceous Qihulin Formation in eastern Heilongjiang, northeastern China. |
2001 |
| details |
Valanginian |
Early Albian |
Canada(Nova Scotia) |
Stea,R.R. et al. Hidden Cretaceous basins in Nova Scotia. |
2001 |
| details |
Toarcian |
Albian |
Egypt |
Ibrahim,M.I.A. et al. Palynostratigraphy of Jurrasic to Lower Cretaceous sequences from the Eastern Desert of Egypt. |
2001 |
| details |
Tithonian |
|
Romania |
Vinogradov,C. The Red Formations at the limit of the Jurassic-Cretaceous and the Aptian, from the Fore-Area of the Roumanian Carpathians |
1983 |
| details |
Tithonian |
Aptian |
USA(Atlantic Coast) |
Steinkraus,W.E. Biostratigraphy. (In: Geologic and Operational summary, Cost No.G-1 Well, Georges Bank area, North Atlantic OCS. R.V.Amato and J.W.Bebout, editors) |
1980 |
| details |
Tithonian |
Early Aptian |
E.Germany |
Dжring,H. The stratigraphic classification of spores from the Lower Cretaceous of northern Central Europe. |
1966 |
| original |
Tithonian |
Hauterivian |
Canada(NWT,Mackenzie) |
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 |
Wealden |
England |
Hughes,N.F. Paleontological evidence for the age of the English Wealden. |
1958 |