| original |
Early Barremian |
|
Spitsbergen |
…rhus,N. et al. Systematic palaeontology and biostratigraphy of two Early Cretaceous condensed sections from the Barents Sea |
1990 |
| details |
Valanginian |
|
Mediterranean Sea |
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 |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Late Hauterivian |
Early Aptian |
Italy |
Torricelli,S. Lower Cretaceous dinoflagellate cyst and acritarch stratigraphy of the Cismon APTICORE (Southern Alps, Italy) |
2000 |