| details |
Late Oligocene |
|
USSR(Russian Platform) |
Zosimovich,V.Y. A boundary of Oligocene and Miocene in the Boreal Province of the East-European Platform |
1991 |
| details |
Late Eocene |
|
USSR(Kazakh SSR) |
Aristova,K.E. Analogous Paleogene Beloglinsk and Kyzy Idzharsk horizons in northern Pre-Aral and northern Ust-Urt. (from pollen, spores and microplankton). (In: Palynology and Stratigraphy of the Paleozoic, Mesozoic and Paleogene of the European part of the USSR and Central Area.) |
1971 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Kazakh SSR) |
Aristova,K.E. Analogous Paleogene Beloglinsk and Kyzy Idzharsk horizons in northern Pre-Aral and northern Ust-Urt. (from pollen, spores and microplankton). (In: Palynology and Stratigraphy of the Paleozoic, Mesozoic and Paleogene of the European part of the USSR and Central Area.) |
1971 |
| details |
Late Eocene |
Early Oligocene |
USSR(Kazakh SSR) |
Chigurayeva,A.A. et al. Peridineae, Pediastrum and Botryococcus algae in Pliocene and Pliestocene deposits of near Caspian Regions. (In: Fossil algae of the USSR-T.F.Vozzhennikova et al-Eds) |
1969 |
| details |
Late Eocene |
|
USSR(Kazakh SSR) |
Eisenack,A. Catalog of fossil dinoflagellates, hystrichospheres and microfossils |
1964 |
| details |
Late Eocene |
|
USSR(Kazakh SSR) |
Akhmeteev,M.A. et al. Upper Eocene Oligocene spore and pollen, plant macrofossils and phytoplankton in stratotypes of Tchegan and Astsheairyk Formations (North Usturt, Kazakhstan). |
1992 |
| details |
Late Oligocene |
|
USSR(Kalmyr ASSR) |
Andreeva-Grigorovich,A.S. The distribution of the cysts of the dinoflagellata in the Maicopian deposits of the North Stavpopolie |
1980 |
| details |
Late Eocene |
Early Oligocene |
USSR(Kalinin) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |
| details |
Eocene |
Oligocene |
USSR(Cis-Caucasus) |
Yegoyan,V.L. et al. Phytoplanktonic microfossils as a criterion for stratigraphic subdivision of the Mesozoic-Cenozoic sedimentary cover of the western Caucasus and Cisaucasia. |
1977 |
| details |
Eocene |
Oligocene |
USSR(Caucasus) |
Yegoyan,V.L. et al. Phytoplanktonic microfossils as a criterion for stratigraphic subdivision of the Mesozoic-Cenozoic sedimentary cover of the western Caucasus and Cisaucasia. |
1977 |
| details |
Late Eocene |
Early Oligocene |
USSR(Belorussian SSR) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |
| details |
Late Eocene |
|
USSR |
Alberti,G. Towards the knowledge of Mesozoic and Early Tertiary dinoflagellates and Hystrichospheres from North and Central Germany, as well as some other European localities. |
1961 |
| details |
Early Oligocene |
Middle Oligocene |
USSR |
Aristova,K.E. Pollen and microplankton from boundary Eocene and Oligocene deposits in the southern part of the USSR. |
1971 |
| details |
Eocene |
Early Oligocene |
USSR |
Vozzhennikova,T.F. Introduction to the study of fossilized Peridinid algae. |
1965 |
| details |
Eocene |
|
USSR |
Aristova,K.E. Pollen and microplankton from the Eocene-Oligocene boundary deposits in the Southern Part of the USSR |
1973 |
| details |
Early Oligocene |
|
USSR |
Aristova,K.E. Pollen and microplankton from the Eocene-Oligocene boundary deposits in the Southern Part of the USSR |
1973 |
| original |
Middle Eocene |
|
USA(Gulf Coast) |
Fairchild,W.W. Time-stratigraphic significance of Lower Tertiary dinoflagellates Part 1. Paleoc-Middle Eocene |
1972 |