| original |
Eocene |
|
USSR(Turkmen SSR) |
Abuzyarova,R.Y. Spore-pollen complexes of Eocene deposits of Turkenia, (Badkhiz). |
1956 |
| 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 |
Late Eocene |
|
USSR(Kazakh SSR) |
Panova,L.A. New data on Paleogene and Neogene spore pollen complexes of the Zaisan Depression, (Eastern Kazakhstan). (In: Biostratigraphical Symposium No.1.) |
1965 |
| original |
Oligocene |
Miocene |
USSR(Azerbaijan SSR) |
Dzhabarova,K.S. Flora and vegetation of Western Azerbaijan during the Upper Miocene. |
1967 |