| details |
Late Campanian |
|
Canada(Alberta) |
Harker,S.D. et al. The stratigraphic distribution of organic-walled dinoflagellate cysts in the Cretaceous and Tertiary. |
1975 |
| details |
Campanian |
|
Canada(Saskatchewan) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| details |
Campanian |
|
Canada(Alberta) |
Harker,S.D. Campanian organic-walled microplankton from the Interior Plains of Canada, Wyoming and Texas. |
1977 |
| 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 |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |