| details |
Aptian |
|
Antarctica |
Hathway,B. et al. Stratigraphy and age of the Lower Cretaceous Pedersen Formation, northern Antarctic Peninsula. |
2001 |
| details |
Middle Albian |
Late Albian |
Alaska(North Slope) |
May,F.E. Dinoflagellate and acritarch assemblages from the Nanushuk Group, (Albian-Cenomanian), and the Torok Formation (Albian), Umat Test Well 11, National Petroleum Reserve in Alaska, northern Alaska. |
1979 |
| details |
Valanginian |
|
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 |
Campanian |
Maastrichtian |
Alaska |
Frederiksen,N.O. et al. Palynology of Maestrichtian and Paleocene rocks, Lower Colville River Region, North Slope of Alaska. |
1988 |
| details |
Santonian |
Campanian |
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
| details |
Aptian |
Albian |
Alaska |
Mickey,M.B. et al. Paleontologic data: Tingmerkpuk and related units, Northwestern De Long Mountains, Brooks Ranke, Alaska. |
1995 |
| details |
Oligocene |
|
Alaska |
Trop,J.M. et al. Stratigraphy, palynology, and provenance of the Colorado Creek basin, Alaska, USA: Oligocene transpressional tectonics along the central Denali fault system. |
2004 |
| details |
Late Maastrichtian |
Early Danian |
Alabama |
Moshkovitz,S. et al. Calcareous nannofossil and dinoflagellate stratigraphy of the Cretaceous-Tertiary boundary, Alabama and Georgia |
1993 |
| details |
Hauterivian |
|
|
Volkheimer,W. et al. Stratigraphic distribution of Jurassic and Cretaceous palynomorphs in the Andean Realm and neighbouring areas of Southern South America, with special consideration of the Neuqu©n Basin. |
1981 |
| details |
Early Cretaceous |
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|
Peralta,P.I. et al. Early Cretaceous sea level variations and changes in dinocyst assemblages and organic matter components in the Neuqu©n Basin, western Argentina. |
2000 |
| details |
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Pross,J. et al. Early Oligocene dinoflagellate cysts from the Upper Rhine Graben (SW Germany): paleoenvironmental and paleoclimatic implications. |
2002 |