| details |
Early Valanginian |
Middle Valanginian |
Canada(NWT,Mackenzie) |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1981 edition. |
1981 |
| details |
Hauterivian |
Barremian |
W.Germany(Niedersachsen) |
PrŠ¶ssl,K.F. Dinoflagellates of the Cretaceous, (Early Hauterivian to Late Turonian), in the Niedersachsen Basin. Stratigraphy and facies changes of the Konrad 101 borehole, as well as several other boreholes from northwest Germany. |
1990 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |