| original |
Early Valanginian |
Middle Valanginian |
Canada(NWT,Mackenzie) |
McIntyre,D.J. et al. Valanginian miospore and microplankton assemblages from the northern Richardson Mountains, District of MacKenzie, Canada. |
1980 |
| details |
Early Ryazanian |
|
Denmark |
Davey,R.J. Dinocysts stratigraphy of the latest Jurassic to Early Cretaceous of the Haldager No.1 borehole, Denmark. |
1982 |
| details |
Early Valanginian |
Middle Valanginian |
Canada(NWT,Mackenzie) |
Davey,R.J. Dinocysts stratigraphy of the latest Jurassic to Early Cretaceous of the Haldager No.1 borehole, Denmark. |
1982 |
| details |
Valanginian |
|
Canada(NWT,Franklin) |
Davies,E.H. The dinoflagellate Oppel-zonation of the Jurassic-Lower Cretaceous sequences in the Sverdrup Basin, Arctic Canada. |
1983 |
| details |
Nd |
|
Nd |
Lucas-Clark,J. Wigginsiella, n.gen., Spongodinium and Apteodinium as members of the Aptiana-Ventriosum Complex (fossil dinophyceae). |
1987 |
| details |
Late Valanginian |
|
North Sea |
Crittenden,S. et al. The Early - Middle Cretaceous lithostratigraphy of the Central North Sea, (United Kingdom Sector). |
1991 |
| details |
Barremian |
|
Spitsbergen |
Grosfjeld,K. Palynoligocal age constraints on the base of the Helvetiafjellet Formation, (Barremian) on Spitsbergen. |
1992 |
| details |
Berriasian |
Hauterivian |
Spitsbergen |
…rhus,N. Some dinoflagellate cysts from the lower Cretaceous of Spitsbergen |
1992 |
| details |
Cenomanian |
Turonian |
Alaska |
Kimyai,A. Palynological assemblages of the Cretaceous sediments in the Fish Creek test Well No.1, North Slope, Alaska |
1992 |
| details |
Early Hauterivian |
|
North Sea |
Wilkinson,I.P. et al. Appendix: Cretaceous biostratigraphic biomarkers. (In: Cretaceous of the Central northern North Sea. H.Johnson and G.K.Lott, editors) |
1993 |
| details |
Middle Maastrichtian |
|
France(Pyrenees,Orient.) |
Begouen,V. The dinoflagellate cysts of the Late Cretaceous of the Sub-Pyrennes Zone, (France): Biostratigraphy, facies analyses and cladistic approach of the Peridinales. |
1993 |
| details |
Late Valanginian |
|
USSR(Siberia) |
Shulgina,N.I. et al. Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of Khatanga Basin, and Boreal Valanginian biogeography. |
1994 |
| details |
Hauterivian |
|
USSR(Ryazin) |
Iosifova,E.K. Dinocysts from Tchernaya Retchka (Ryazanian-Aptian, Lower Cretaceous) of the Moscow Basin, Russia |
1996 |
| details |
Late Albian |
|
Canada(Arctic) |
MacRae,R.A. et al. The paleoecological significance of new species of Limbicysta (Acritarcha) from the Upper Albian of the Canadian Arctic Islands. |
1996 |
| details |
Nd |
|
Poland |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
| details |
Kimmeridgian |
Early Ryazanian |
Denmark |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
| details |
Berriasian |
|
Russia(Siberia) |
Beizel,A.L. et al. New geological data and zoning of the Neocomian key section on Yatriya River (Polar Transuralia) according to Belemnites, dinocysts and palynomorphs |
1997 |