| details |
Late Cenomanian |
|
USSR(Kazakh SSR) |
Erofeev,V.S. et al. The first finding of Upper Cretaceous deposits characterized by flora in the Ili Depression |
1972 |
| details |
Early Sabinian |
|
Georgia |
Christopher,R.A. et al. The stratigraphic and structural significance of Paleocene pollen from Warm Springs, Georgia. |
1980 |
| details |
Early Eocene |
Middle Eocene |
Nevada |
Wingate,F.H. Palynology and age of the Elko Formation, (Eocene) near Elko, Nevada. |
1983 |
| details |
Senonian |
|
Nd |
Schluter,T. The eoevolutionary relationship between angiosperm pollen and insects in the Late Mesozoic. |
1987 |
| details |
Paleocene |
|
Alaska |
Frederiksen,N.O. et al. Palynology of Maestrichtian and Paleocene rocks, Lower Colville River Region, North Slope of Alaska. |
1988 |
| details |
Middle Maastrichtian |
Late Maastrichtian |
Alaska(North Slope) |
Frederiksen,N.O. Pollen zonation and correlation of Maastrichtian marine beds and associated strata, Ocean Point Dinosaur locality, North Slope, Alaska. (In: Evolution of Sedimentary Basins. A.C.Hoffman, Project Coordinator) |
1990 |
| details |
Early Eocene |
Early Eocene |
Louisiana |
Gregory,W.A. et al. Distribution of pollen and spores in a subsurface marine Wilcox (Paleocene-Eocene) section in Southwest Louisiana |
1995 |
| details |
Late Maestrichtian |
|
North Dakota |
Pearson,D.A. et al. Palynologically calibrated vertebrate record from North Dakota consistent with abrupt dinosaur extinction at the Cretaceous-Tertiary boundary. |
2001 |