| original |
Aptian |
Middle Albian |
Venezuela |
Sinanoglu,E. Early Cretaceous palynomorphs from the Zuata area, eastern Venezuela |
1983 |
| original |
Maastrichtian |
|
Egypt |
Aboul Ela,N.M. The palynological characteristics of the Upper Cretaceous sediments in Abu Tartur Plateau, Kharga Oasis, Egypt. |
1978 |
| original |
Late Turonian |
Coniacian |
Utah |
Orlansky,R. Palynology of the Upper Cretaceous Straight Cliffs Sandstone, Garfield County, Utah. |
1971 |
| original |
Permian |
|
Utah |
Dod,B.D. Palynostratigraphy of the Rico Formation, Southern San Juan County, Utah. |
1970 |