| details |
Middle Albian |
Late Albian |
Alaska(North Slope) |
May,F.E. et al. Dinoflagellate and acritarch assemblages from the Grandstand Formation, (Middle to Upper Albian), of the Nanushuk Group, Simpon Core Test 25, National Petroleum Reserve in Alaska, northern Alaska. |
1979 |
| details |
Jackson |
|
Alabama |
Frederiksen,N.O. Palynology of the Upper Eocene Jackson Stage in Mississippi and Western Alabama. |
1968 |
| details |
Tithonian |
|
|
Volkheimer,W. et al. Upper Jurassic microfloral findings from the southern border of the Neuquina Basin (Argentine Republic). |
1975 |
| details |
Aptian |
Albian |
|
Volkheimer,W. et al. The oldest angiosperm-palynoflora in Argentina from the type locality of the Lower Cretaceous Huitrin Formation, Neuqu©n Basin; microfloristic association and biostratigraphic significance. |
1975 |