details |
Late Valanginian |
Late Hauterivian |
North Sea |
Crittenden,S. et al. The Early - Middle Cretaceous lithostratigraphy of the Central North Sea, (United Kingdom Sector). |
1991 |
details |
Nd |
|
Nd |
Monteil,E. Morphology and systematics of the Ceratioid Group a new morphographic approach, revision and emendation of the genus Muderongia, Cookson and Eisenack,1958. |
1991 |
details |
Nd |
|
Nd |
Monteil,E. Morphology and systematics of the Ceratioid Group a new morphographic approach, revision and emendation of the genus Muderongia, Cookson and Eisenack,1958. |
1991 |
details |
Valanginian |
Early Hauterivian |
United Kingdom |
Costa,L.I. et al. Dinoflagellate cysts of the Cretaceous System. (In: A Stratigraphic Index of Dinoflagellate Cysts. A.J.Powell, editor) |
1992 |
details |
Early Barremian |
|
Greenland |
Nиhr-Hansen,H. Dinoflagellate cyst stratigraphy of the Barremian to Albian, Lower Cretaceous, Northeast Greenland. |
1993 |
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 |
Late Ryazanian |
Early Hauterivian |
Netherlands |
Herngreen,G.F.W. et al. Age and depositional environment of the Kuhfeld Beds (Lower Cretaceous) in the Alst¤tte Embayment (W.Germany, E.Netherlands). |
1994 |
details |
Nd |
|
Poland |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
details |
Late Ryazanian |
Early Valanginian |
Denmark |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
details |
Nd |
|
Nd |
Stover,L.E. et al. Mesozoic-Tertiary dinoflagellates, acritarchs and Prasinophytes. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
details |
Early Hauterivian |
|
England(Yorkshire) |
Davey,R.J. A summary of the palynology of the lower Hauterivian (Lower Cretaceous) from Speeton, east England. |
2001 |
details |
Early Hauterivian |
|
North Sea |
Duxbury,S. A palynological zonation scheme for the Lower Cretaceous: United Kingdom Sector, Central North Sea. |
2001 |
details |
Late Valanginian |
|
North Sea |
Duxbury,S. A palynological zonation scheme for the Lower Cretaceous: United Kingdom Sector, Central North Sea. |
2001 |