| details |
Late Hauterivian |
Early Albian |
Nd |
Sarjeant,W.A.S. The stratigraphical distribution of fossil dinoflagellates. |
1967 |
| details |
Aptian |
Albian |
Canada(W.Canada) |
Pocock,S.A.J. A preliminary dinoflagellate zonation of the Uppermost Jurassic and Lower part of the Cretaceous, Canadian Arctic, and possible correlation in the Western Canada Basin. |
1976 |
| details |
Nd |
|
Nd |
Srivastava,S.K. Dinocyst biostratigraphy of Cenomanian-Coniacian Formations of the Western Gulf Coastal Plain, Southern United States |
1992 |