| details |
Middle Eocene |
|
Alaska |
Olson,D.L. et al. Biostratigraphy. (In: Geological and Operational Summary Norton Sound Cost No.2 Well Norton Sound, Alaska. R.F.Turner, editor) |
1987 |
| details |
Tithonian |
Barremian |
|
Quattrocchio,M.E. The possible paleoclimatic significance of the dinoflagellate cysts of the Jurassic and Early Cretaceous of the Cuenca Neuquina |
1984 |
| details |
Late Jurassic |
|
|
Jelin,R. et al. On the presence of palynomorphs in the Aguada San Roque zone Neuqu©n Province |
1973 |
| details |
Late Barremian |
|
|
Wilpshaar,M. Direct stratigraphic correlations of the Vercors Carbonate Platform in southeast France with the Barremian stratotype by means of dinoflagellate cysts. |
1995 |
| details |
Hauterivian |
Barremian |
|
Volkheimer,W. Upper Jurassic and Lower Cretaceous microfloras of Latin America. |
1980 |