| details |
Aptian |
Albian |
Alaska(North Slope) |
Mickey,M.B. et al. Biostratigraphy report 109 outcrop samples Western Delong Mountains field party North Slope, Alaska. (In: Micropaleontology of Cretaceous and Jurassic shales from the Northwestern Delong Mountains, Western Brooks Range, Alaska, 1994-1997. M.B.Mickey and H.Haga, editors) |
1998 |
| details |
Jurassic |
|
Alaska |
Bujak Davies Group Palynological analysis of 48 outcrop samples from the Colville River and Ivishak River areas, Northern Alaska. |
1989 |
| details |
Early Danian |
|
Alabama |
Moshkovitz,S. et al. Calcareous nannofossil and dinoflagellate stratigraphy of the Cretaceous-Tertiary boundary, Alabama and Georgia |
1993 |
| 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 |
Middle Tithonian |
Late Tithonian |
|
Quattrocchio,M.E. et al. Jurassic and Lower Cretaceous dinocyst from Argentina; Their biostratigraphic significance. |
1990 |
| details |
Hauterivian |
Aptian |
|
Peralta,P.I. et al. Paleoenvironmental aspects of the Lower Cretaceous Agrio Format Inferred by dinocyst assemblages Neuqu©n Basin, Argentina |
1997 |