| details |
Albian |
|
Canada(British Columbia) |
Leckie,D.A. et al. The Lower Cretaceous Chinkeh Formation; a Frontier type Play in the Liard Basin of Western Canada |
1991 |
| details |
Albian |
|
Canada(Yukon) |
Leckie,D.A. et al. The Lower Cretaceous Chinkeh Formation; a Frontier type Play in the Liard Basin of Western Canada |
1991 |
| details |
Early Cenomanian |
|
Texas |
Srivastava,S.K. Dinocyst biostratigraphy of Cenomanian-Coniacian Formations of the Western Gulf Coastal Plain, Southern United States |
1992 |
| details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Banerjee,I. et al. An integrated subsurface study of the Mannville -Colorado Group boundary in the Cessford Field, Alberta. |
1994 |
| details |
Nd |
|
Nd |
Li,H. et al. Dinoflagellate stratigraphy and its response to sea level change in Cenomanian-Turonian sections of the Western Interior of the United States. |
1996 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |