| details |
Early Valanginian |
|
North Sea |
Duxbury,S. A palynological zonation scheme for the Lower Cretaceous: United Kingdom Sector, Central North Sea. |
2001 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| original |
Late Valanginian |
|
France(Ardeche) |
Monteil,E. Dinoflagellate cyst key species (Tithonian-Valanginian) of Southern France. Proposition of a new palynological zonation. |
1992 |
| original |
Late Valanginian |
|
France(Alpes,Hautes) |
Monteil,E. Dinoflagellate cyst key species (Tithonian-Valanginian) of Southern France. Proposition of a new palynological zonation. |
1992 |