details |
Late Aptian |
|
England(Wiltshire) |
Hesselbo,S.P. et al. Stratigraphic relations of the Lower Greensand, (Lower Cretaceous) of the Calne area, Wiltshire. |
1990 |
details |
Valanginian |
|
Netherlands |
Herngreen,G.F.W. et al. Some remarks on selected palynomorphs near the Jurassic-Cretaceous boundary in the Netherlands. |
1979 |
details |
Late Ryazanian |
|
North Sea |
Herngreen,G.F.W. et al. Dinoflagellate, sporomorph, and micropaleontological zonation of Callovian to Ryazanian strata in the Central North Sea Graben, the Netherlands. |
1988 |
details |
Early Barremian |
|
Netherlands |
Herngreen,G.F.W. et al. Upper Cretaceous Chalk Group stratigraphy near the Isle of Texel, The Netherlands (a multidisciplinary approach). |
1996 |
details |
Late Berriasian |
Valanginian |
Canada(Atlantic Coast) |
Helden,B.G.T.Van Dinoflagellate cysts at the Jurassic - Cretaceous boundry, offshore Newfoundland, Canada. |
1986 |
details |
Late Volgian |
Early Albian |
North Sea |
Heilmann-Clausen,C. Lower Cretaceous dinoflagellate biostratigraphy in the Danish Central Trough |
1987 |
details |
Barremian |
|
W.Germany(Niedersachsen) |
Heilmann-Clausen,C. et al. Barremian-Aptian dinoflagellates and calcareous nannofossils in the Ahlum 1 Borehole and the Otto Gott Claypit, Sarstedt, Lower Saxony Basin, Germany. (In: The Barremian-Aptian Boundary. A Study of profiles from the Boreal Cretaceous.E.Kemper, editor) |
1995 |
details |
Barremian |
|
W.Germany(Niedersachsen) |
Heilmann-Clausen,C. et al. Barremian-Aptian dinoflagellates and calcareous nannofossils in the Ahlum 1 Borehole and the Otto Gott Claypit, Sarstedt, Lower Saxony Basin, Germany. (In: The Barremian-Aptian Boundary. A Study of profiles from the Boreal Cretaceous.E.Kemper, editor) |
1995 |
details |
Middle Callovian |
Late Callovian |
China(Heilungkiang) |
He,C.-Q. et al. Dinoflagellates from Late Middle Jurassic Suibin Formation of Suibin area, eastern Heilongjiang, N.E.China |
1997 |
details |
Barremian |
|
England(Isle of Wight) |
Hart,M.B. et al. The Early Aptian transgression event in the United Kingdom |
1991 |
details |
Nd |
|
Nd |
Harker,S.D. et al. The stratigraphic distribution of organic-walled dinoflagellate cysts in the Cretaceous and Tertiary. |
1975 |
details |
Late Aptian |
|
Australia(Queensland) |
Haig,D.W. et al. Early Cretaceous microfossils from the type Wallumbilla Formation, Surat Basin, Queensland. |
1978 |
details |
Berriasian |
Valanginian |
Canada(Eastern Offshore) |
Gradstein,F.M. et al. Biostratigraphy and depositional history of Amoco Imp Skelly B-1 Egret K-36 Grand Banks, Newfoundland. |
1976 |
details |
Turonian |
Coniacian |
Australia(W.Australia) |
Glover,J.E. et al. An Upper Cretaceous Chert nodule apparently marine ballast from Princess Royal Harbour, Western Australia. |
1995 |
details |
Early Kimmeridgian |
|
Scotland |
Gitmez,G.U. Dinoflagellate cysts and acritarchs from the basal Kimmeridgian, (Upper Jurassic), of England, Scotland and France. |
1970 |
details |
Early Kimmeridgian |
|
France |
Gitmez,G.U. Dinoflagellate cysts and acritarchs from the basal Kimmeridgian, (Upper Jurassic), of England, Scotland and France. |
1970 |
details |
Early Kimmeridgian |
|
England |
Gitmez,G.U. Dinoflagellate cysts and acritarchs from the basal Kimmeridgian, (Upper Jurassic), of England, Scotland and France. |
1970 |