| original |
Late Cretaceous |
|
Colorado |
Newman,K.R. Palynologic correlations of Late Cretaceous and Paleocene Formations, Northwestern Colorado. (In: Palynology in Oil Exploration, Aureal T. Cross, editor) |
1964 |
| details |
Santonian |
Eocene |
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Angiosperm pollen and their significance for the stratigraphy of the Upper Cretaceous and Paleogene |
1963 |
| details |
Santonian |
Eocene |
USSR(WSL) |
Zaklinskaya,E.D. Angiosperm pollen and their significance for the stratigraphy of the Upper Cretaceous and Paleogene |
1963 |