| details |
Oligocene |
Miocene |
USSR(Primorsk Kray) |
Sedova,M.A. Oligocene and Miocene flora and vegetation of Primorsk Region according to palynological analyses. |
1957 |
| details |
Tertiary |
|
Iceland |
Askelsson,E.J. Geology of Iceland 4.On some Tertiary plants. |
1956 |
| details |
Oligocene |
|
USSR(Caucasus) |
Chiguryaeva,A.A. Contributions to the Oligocene flora of the Maykop Formation, Caucasus (spores and pollen). |
1951 |
| details |
Late Cretaceous |
|
USSR(Urals) |
Pokrovskaya,I.M. The Basic Stages in the development of the vegetation of the Urals in the Mesozoic and Cenozoic from the data of pollen analysis |
1950 |
| details |
Aptian |
|
USSR(Krasnoyarsk Kray) |
Bolkhovitina,N.A. Lower Cretaceous spore-pollen complexes of the Chulymo-Enisey Basin, Southern Urals and Kazakhstan. |
1950 |
| details |
Late Albian |
|
USSR(Krasnoyarsk Kray) |
Bolkhovitina,N.A. Lower Cretaceous spore-pollen complexes of the Chulymo-Enisey Basin, Southern Urals and Kazakhstan. |
1950 |
| details |
Cenomanian |
Turonian |
USSR(Krasnoyarsk Kray) |
Bolkhovitina,N.A. Lower Cretaceous spore-pollen complexes of the Chulymo-Enisey Basin, Southern Urals and Kazakhstan. |
1950 |