| original |
Eocene |
|
India |
Rao,A.R. Some observations on pollen found in Indian Tertiary Lignites. |
1956 |
| original |
Late Albian |
Late Cenomanian |
Utah |
May,F.E. A survey of palynomorphs from several coal-bearing horizons of Utah. |
1972 |
| original |
Cenomanian |
|
Utah |
May,F.E. A survey of palynomorphs from several coal-bearing horizons of Utah. |
1972 |
| original |
Early Turonian |
Coniacian |
Utah |
May,F.E. A survey of palynomorphs from several coal-bearing horizons of Utah. |
1972 |
| original |
Turonian |
Early Campanian |
Utah |
May,F.E. A survey of palynomorphs from several coal-bearing horizons of Utah. |
1972 |
| original |
Maastrichtian |
|
Canada(NWT,Mackenzie) |
McIntyre,D.J. Palynology of an Upper Cretaceous section, Horton River, District of MacKenzie, N. W. T. |
1974 |
| original |
Maastrichtian |
|
Nigeria |
Lawal,O. Palynological biostratigraphy and paleoenvironments of Cretaceous Formations in the Upper Benue, northeast Nigeria. |
1982 |