| details |
Late Ryazanian |
Early Valanginian |
Denmark |
Piasecki,S. Palynological analysis of the organic Derris in the Lower Cretaceous Jydegard Formation Bornholm, Denmark |
1986 |
| details |
Early Portlandian |
|
North Sea |
Partington,M.A. et al. Biostratigraphic calibration of genetic stratigraphic sequences in the Jurassic-Lowermost Cretaceous (Hettangian to Ryazanian) of the North Sea and adjacent area. (In: Petroleum Geology of Northwest Europe: Proceedings of the 4th Conference. J.R. Parker, editor) |
1993 |
| details |
Cretaceous |
|
Scotland |
Owens,B. et al. Micropalaeontological biostratigraphy of samples from around the Coasts of Scotland. |
1978 |
| details |
Early Aptian |
|
Egypt |
Omran,A.M. et al. Early Cretaceous palynology of three boreholes from northern Western Desert (Egypt) |
1990 |
| details |
Cretaceous |
Aptian |
Atlantic Ocean |
Ogg,G. Dinoflagellate cysts of the Early Cretaceous North Atlantic Ocean |
1994 |
| details |
Barremian |
|
Greenland |
Nиhr-Hansen,H. Dinoflagellate cyst stratigraphy of the Barremian to Albian, Lower Cretaceous, Northeast Greenland. |
1993 |
| details |
Barremian |
|
Greenland |
Nиhr-Hansen,H. Dinoflagellate cyst stratigraphy of the Barremian to Albian, Lower Cretaceous, northeast Greenland; A summary. |
1994 |
| details |
Late Neocomian |
Early Aptian |
Australia(NSW) |
Morgan,R. Palynostratigraphy of the Australian early and middle Cretaceous. |
1980 |
| original |
Early Berriasian |
|
France(Ardeche) |
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 |
Ryazanian |
Valanginian |
Denmark |
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 |
| original |
Early Berriasian |
|
France(Ardeche) |
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 |
Barremian |
Europe |
Millioud,M.E. et al. Detailed geological methods aid North Sea exploration |
1966 |
| details |
Hauterivian |
|
Switzerland |
Millioud,M.E. Preliminary palynological investigations of some Jura Mountain localities. |
1967 |
| details |
Valanginian |
|
Switzerland |
Millioud,M.E. Preliminary palynological investigations of some Jura Mountain localities. |
1967 |
| details |
Valanginian |
Barremian |
Nd |
Millioud,M.E. et al. Stratigraphic range charts of selected Cretaceous dinoflagellates. |
1975 |
| details |
Hauterivian |
Barremian |
Alaska |
Mickey,M.B. et al. Jurassic-Neocomian biostratigraphy, North Slope, Alaska. |
1987 |