| 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 |
Paleocene |
Early Eocene |
W.Germany(Rhineland) |
Brelie,G.Von Der et al. The folded 'Eocene' of the Antweiler Graben of the northern Slopes of the Eifel Mts. |
1957 |
| original |
Danian |
Early Eocene |
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |
| details |
Nd |
|
Nd |
Pflug,H.D. Origin and development of the angiosperm pollen in earth history |
1953 |