| details |
Miocene |
|
Atlantic Ocean |
Shipboard Scientific Party Site 903. |
1994 |
| details |
Early Oligocene |
Late Oligocene |
Atlantic Coast Offshore |
Williams,G.L. et al. Palynologic analyses of Upper Mesozoic and Cenozoic rocks of the Grand Banks, Atlantic Continental Margin. |
1975 |
| details |
Middle Oligocene |
Late Oligocene |
Atlantic Coast Offshore |
Gradstein,F.M. et al. Mesozoic and Cenozoic stratigraphy of the Atlantic Continental Margin, eastern Canada. |
1976 |
| details |
Early Oligocene |
|
Arctic Ocean |
Hull,D.M. et al. Biostratigraphic synthesis of Leg 151, North Atlantic: Arctic gateways. |
1996 |
| details |
Oligocene |
Early Miocene |
Alaska |
Bujak,J.P. Cenozoic dinoflagellate cysts and acritarchs from the Bering Sea and northern North Pacific, DSDP Leg 19 |
1984 |