| details |
Cenomanian |
Coniacian |
Wyoming |
Griggs,P.H. Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming |
1970 |
| details |
Late Paleocene |
|
California |
Gaponoff,S.L. Palynology of the Silverado Formation, (Late Paleocene) Riverside and Orange Counties, California. |
1984 |
| details |
Maastrichtian |
|
Spain |
Ashraf,A.R. et al. A palynological study of the Cretaceous-Tertiary boundary in Western Mediterranean Regions |
1986 |
| original |
Cenomanian |
|
Oklahoma |
Hedlund,R.W. Palynology of the Red Branch Member of the Woodbine Formation, (Cenomanian), Bryan County, Oklahoma. |
1966 |