| original |
Early Valanginian |
|
Spitsbergen |
…rhus,N. Some dinoflagellate cysts from the lower Cretaceous of Spitsbergen |
1992 |
| details |
Valanginian |
|
Spitsbergen |
…rhus,N. Some dinoflagellate cysts from the lower Cretaceous of Spitsbergen |
1992 |
| details |
Early Valanginian |
|
Spitsbergen |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. 1993 edition. |
1993 |
| details |
Valanginian |
|
USSR(Siberia) |
Shulgina,N.I. et al. Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of Khatanga Basin, and Boreal Valanginian biogeography. |
1994 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |