| details |
Campanian |
|
Canada(Manitoba) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Campanian |
|
Texas |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Campanian |
|
Wyoming |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Campanian |
|
Wyoming |
Harker,S.D. et al. Late Cretaceous (Campanian) organic-walled microplankton from the interior plains of Canada, Wyoming and Texas; biostratigraphy, palaeotology and palaeoenvironmental interpretation. |
1990 |
| details |
Bartonian |
|
Netherlands |
De Coninck,J. Organic walled phytoplankton from the Bartonian and Eo-Oligocene transitional deposits of the Woensdrect borehole, southern Netherlands. |
1986 |
| details |
Aptian |
Albian |
Austria |
Gruen,W. et al. Studies in the Lower Cretaceous of the Vienna Woods. |
1972 |
| details |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |