| details |
Late Albian |
Early Turonian |
Canada(Alberta) |
Bloch,J.D. et al. Sedimentology, micropaleontolgy, geochemistry, and hydrocarbon potential of shale from the Cretaceous Lower Colorado Group in Western Canada. |
1999 |
| details |
Middle Albian |
Vraconian |
Atlantic Coast Offshore |
Habib,D. et al. Stratigraphic utility of Cretaceous small acritarchs. |
1982 |
| details |
Middle Cretaceous |
|
|
Fechner,G.G. Quantitative investigations of a mid-Cretaceous dinoflagellate cyst assemblage from SE-France, supplemented by notes on the palaeogeography and the palaeoenvironment. |
1985 |