| details |
Late Hauterivian |
Early Barremian |
North Sea |
Crittenden,S. et al. The Early - Middle Cretaceous lithostratigraphy of the Central North Sea, (United Kingdom Sector). |
1991 |
| details |
Early Cretaceous |
|
Alaska(North Slope) |
Reifenstuhl,R.R. Biostratigraphic Report: 12. Cretaceous - Jurassic age outcrop samples from the Sagavanirktok, Mount Michelson and Chandler Lake quadrangles, North Slope, Alaska. |
1991 |
| details |
Hauterivian |
Aptian |
North Sea |
Costa,L.I. et al. Dinoflagellate cysts of the Cretaceous System. (In: A Stratigraphic Index of Dinoflagellate Cysts. A.J.Powell, editor) |
1992 |
| details |
Valanginian |
|
France(Ardeche) |
Monteil,E. Dinoflagellate cyst key species (Tithonian-Valanginian) of Southern France. Proposition of a new palynological zonation. |
1992 |
| details |
Valanginian |
|
France(Alpes,Hautes) |
Monteil,E. Dinoflagellate cyst key species (Tithonian-Valanginian) of Southern France. Proposition of a new palynological zonation. |
1992 |
| details |
Barremian |
|
Spitsbergen |
Grosfjeld,K. Palynoligocal age constraints on the base of the Helvetiafjellet Formation, (Barremian) on Spitsbergen. |
1992 |
| details |
Late Aptian |
Early Albian |
Pacific Ocean(West) |
Ogg,G. Early Cretaceous palynomorphs of the Western Pacific Ocean |
1992 |
| details |
Late Aptian |
Albian |
Pacific Ocean(West) |
Ogg,G. Early Cretaceous palynomorphs of the Western Pacific Ocean |
1992 |
| details |
Hauterivian |
Barremian |
India(Tamil Nadu) |
Khowaja-Ateequzzaman et al. Hauterivian-Barremian dinoflagellate cyst assemblage from subsurface of Polar Basin, Southern India. |
1992 |
| details |
Hauterivian |
Albian |
Northern Hemisphere |
Williams,G.L. et al. Morphology and stratigraphic ranger of selected Mesozoic-Cenozoic dinoflagellate taxa in the northern Hemisphere |
1993 |
| details |
Middle Cenomanian |
|
Canada |
Bloch,J.D. et al. Revised stratigraphy of the Lower Colorado Group (Albian to Turonian), Western Canada. |
1993 |
| 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 |
Cretaceous |
Hauterivian |
Atlantic Ocean |
Ogg,G. Dinoflagellate cysts of the Early Cretaceous North Atlantic Ocean |
1994 |
| details |
Early Aptian |
|
England(Dorset) |
Ruffell,A.H. et al. Uppermost Wealden facies and Lower Greensand Group (Lower Cretaceous) in Dorset, Southern England; correlation and palaeoenvironment. |
1994 |
| details |
Late Hauterivian |
Early Barremian |
W.Germany(Niedersachsen) |
Kirsch,K.-H. et al. Quantitative studies of dinoflagellate cysts profile of the boundary beds of the Hauterivian - Barremian Boundary of the Claypit Otto Gott near Sarstedt, (Niedersachsen, northern Germany). |
1995 |
| details |
Barremian |
Aptian |
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 |
Neocomian |
|
Alaska |
Mickey,M.B. et al. Paleontologic data: Tingmerkpuk and related units, Northwestern De Long Mountains, Brooks Ranke, Alaska. |
1995 |