| original |
Early Miocene |
|
Mexico(Tamaulipas) |
Salas,E. Illustrated catalogue of fossil palynomorphs from the Republic of Mexico. |
1975 |
| original |
Early Eocene |
Middle Eocene |
Nevada |
Wingate,F.H. Palynology and age of the Elko Formation, (Eocene) near Elko, Nevada. |
1983 |
| original |
Early Eocene |
|
Arkansas |
Jones,E.L. Plant microfossils of the Laminated sediments of the Lower Eocene Wilcox Group in South-Central Arkansas. |
1961 |
| original |
Cretaceous |
Tertiary |
China(Kiangsu) |
Song,Z.-C. et al. Cretaceous-Tertiary palynological assemblages from Jiangsu. |
1981 |
| original |
Coniacian |
Santonian |
Utah |
Nichols,D.J. Palynostratigraphy in relation to sequence stratigraphy, Straight Cliffs Formation (Upper Cretaceous) Kaiparowits Plateau, Utah |
1995 |
| original |
Campanian |
Montian |
Utah |
May,F.E. A survey of palynomorphs from several coal-bearing horizons of Utah. |
1972 |