original |
Maastrichtian |
|
Texas |
Zaitzeff,J.B. et al. The use of dinoflagellates and acritarchs for zonation and correlation of the Navarro Group (Maestrichtian), of Texas. (In: Symposium on Palynology of the Late Cretaceous and Early Tertiary. R.M Kosanke and A.T. Cross, editors) |
1970 |
original |
Campanian |
|
Canada(Saskatchewan) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
original |
Campanian |
|
Canada(Manitoba) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
original |
Campanian |
|
Canada(Alberta) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
original |
Campanian |
|
Texas |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
original |
Campanian |
|
Wyoming |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |