| details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Banerjee,I. et al. An integrated subsurface study of the Mannville -Colorado Group boundary in the Cessford Field, Alberta. |
1994 |
| details |
Oxfordian |
Kimmeridgian |
Atlantic Ocean(South) |
Harris,W.K. Palynology of cores from deep Sea Drilling Sites 327, 328 and 330, South Atlantic Ocean. |
1977 |
| details |
Late Ryazanian |
Hauterivian |
Denmark |
Davey,R.J. Dinocysts stratigraphy of the latest Jurassic to Early Cretaceous of the Haldager No.1 borehole, Denmark. |
1982 |
| details |
Late Valanginian |
Hauterivian |
|
Aguirre-Urreta,M.B. et al. Advances in the biostratigraphy of the Agrio Formation (Lower Cretaceous) of the Neuqu©n Basin, Argentina: ammonites, palynomorphs and calcareous nannofossils. |
1999 |
| details |
Late Volgian |
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 |
Early Eifelian |
Givetian |
China(Heilungkiang) |
Ouyang,S. Microfossils from the Devonian Heitai Formation of Mishan County, Heilungjiang Province. |
1984 |
| details |
Eifelian |
Givetian |
China(Heilungkiang) |
Su,Y. et al. A second time study of the Devonian "Heitai Formation" in the type locality of eastern Heilongjiang Province |
1983 |
| details |
Siegenian |
Emsian |
Belgium |
Vanguestaine,M. Reworked acritarchs in the Siegenian and Emsian (Lower Devonian), from Dinant Synclinorium, (Belgium). |
1979 |
| details |
Late Gedinnian |
Emsian |
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
| details |
Late Llandoverian |
Early Wenlockian |
S.Ireland(Clare) |
Williams,D.M. et al. Implications of the new microfloral evidence from the Clew Bay complex for Silurian relationships in the Western Irish Caledonides. |
1996 |
| details |
Middle Volgian |
Early Valanginian |
North Sea |
Dybkjaer,K. Palynological dating of the Mandal Formation (Uppermost Jurassic - Lowermost Cretaceous, Norwegian Central Graben) and correlation to organic-rich shales in the Danish sector. |
1998 |
| details |
Late Cenomanian |
Early Turonian |
Tunisia |
Caron,M. et al. Duration of the oceanic anoxic event at the Cenomanian-Turonian boundary cyclostratigraphic interpretation of the Bahloul Formation in Central Tunisia |
1999 |
| details |
Late Cenomanian |
Early Turonian |
Colorado |
Dodsworth,P. Trans-Atlantic dinoflagellate cyst stratigraphy across the Cenomanian - Turonian (Cretaceous) Stage boundary |
2000 |
| details |
Late Cambrian |
Early Tremadocian |
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs of the Desposits of the Cambrian-Ordovician boundary northern Estonia |
1989 |
| details |
Sinemurian |
Early Toarcian |
|
Volkheimer,W. Liassic microfloras of the Neuqu©n Basin, (Argentina): Relations with other Gondwanic Areas. |
1980 |
| details |
Sinemurian |
Early Toarcian |
|
Volkheimer,W. Liassic microfloras of the Neuqu©n Basin, (Argentina): Relations with other Gondwanic Areas. |
1980 |
| details |
Late Pliensbachian |
Early Toarcian |
Denmark |
Koppelhus,E.B. et al. Palynostratigraphy and palaeoenvironments of the Lower to Middle Jurassic Baga Formation of Bornholm, Denmark. |
1994 |