| details |
Kimmeridgian |
Tithonian |
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
| details |
Early Cretaceous |
Neogene |
Alaska |
Vandergon,M.A. Microfossil compilation of Mesozoic and Cenozoic units Arctic National Wildlife Refuge, Northeastern Alaska. |
1986 |
| details |
Late Albian |
Middle Cenomanian |
Canada(Alberta) |
Bloch,J.D. et al. Sedimentology, micropaleontolgy, geochemistry, and hydrocarbon potential of shale from the Cretaceous Lower Colorado Group in Western Canada. |
1999 |
| details |
Late Barremian |
Middle Albian |
Alaska |
Mickey,M.B. et al. Jurassic-Neocomian biostratigraphy, North Slope, Alaska. |
1987 |
| details |
Early Albian |
Middle Albian |
Canada(British Columbia) |
Leckie,D.A. et al. The Lower Cretaceous Chinkeh Formation; a Frontier type Play in the Liard Basin of Western Canada |
1991 |
| details |
Early Albian |
Middle Albian |
Canada(Yukon) |
Leckie,D.A. et al. The Lower Cretaceous Chinkeh Formation; a Frontier type Play in the Liard Basin of Western Canada |
1991 |
| details |
Early Albian |
Middle Albian |
Slovakia |
Skupien,P. Dinoflagellate study of the Lower Cretaceous deposits in the Pieniny Klippen Belt (Rochovica section, Slovak Western Carpathians) |
2003 |
| details |
Late Barremian |
Late Gargasian |
W.Germany(Niedersachsen) |
Below,R. The dinoflagellate cyst populations in the Upper Aptian of the Claypit "Otto Gott" in Sarstedt/ northern Germany. |
1982 |
| details |
Middle Barremian |
Late Barremian |
England(Yorkshire) |
Duxbury,S. Barremian phytoplankton from Speeton, East Yorkshire. |
1980 |
| details |
Middle Barremian |
Late Barremian |
Germany(Bavaria) |
Kirsch,K.-H. Dinoflagellate cysts from the Early Cretaceous, (Barremian), Helvetic Zone of the Waxenstein Graben, Upper Bavaria. |
1993 |
| details |
Late Hauterivian |
Late Barremian |
Italy |
Torricelli,S. Lower Cretaceous dinoflagellate cyst and acritarch stratigraphy of the Cismon APTICORE (Southern Alps, Italy) |
2000 |
| details |
Oxfordian |
Kimmeridgian |
Turkey |
Gitmez,G.U. et al. Dinoflagellate cysts and acritarchs from the Jurassic-Cretaceous boundary, Northwest Anatolia, Turkey |
1999 |
| details |
Late Valanginian |
Hauterivian |
France |
Habib,D. et al. Dinoflagellate age of Middle Jurassic-Early Cretaceous sediments in the Blake-Bahama Basin |
1983 |
| details |
Ryazanian |
Hauterivian |
USSR(Ryazin) |
Iosifova,E.K. Dinocysts from Tchernaya Retchka (Ryazanian-Aptian, Lower Cretaceous) of the Moscow Basin, Russia |
1996 |
| details |
Cretaceous |
Hauterivian |
Atlantic Ocean |
Ogg,G. Dinoflagellate cysts of the Early Cretaceous North Atlantic Ocean |
1994 |
| details |
Late Valanginian |
Hauterivian |
Russia(Khanty-Mansi) |
Lebedeva,N.K. et al. Microphytoplankton and Microforaminifera in the Lower Cretaceous reference section in Subarctic Ural (Western Siberia) |
1998 |
| details |
Berriasian |
Gargasian |
France(Alpes,Hautes) |
de Reneville,P. et al. Palynology of the stratotype of the Barremian Stage. |
1981 |