| details |
Paleocene |
Early Eocene |
Germany |
Pflug,H.D. Origin and development of the angiosperm pollen in earth history |
1953 |
| details |
Early Eocene |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Angiosperm pollen and their significance for the stratigraphy of the Upper Cretaceous and Paleogene |
1963 |
| details |
Campanian |
|
Oklahoma |
Morgan,R. Palynology of the Ozan Formation (Cretaceous) Mccurtin County, Oklahoma |
1967 |
| details |
Early Paleocene |
|
USSR(Ukrainian SSR) |
Boytsova,E.P. et al. The Cretaceous and Paleogene boundary in the South Southern USSR and Western Siberia. (In: Palynology of the Cenozoic of Siberia. V.S.Volkova, editor) |
1975 |