| details |
Eocene |
Oligocene |
England(Dorset) |
Costa,L.I. et al. The distribution of the dinoflagellate Wetzeliella in the Paleogene of North-Western Europe. |
1976 |
| details |
Eocene |
Oligocene |
England(Isle of Wight) |
Costa,L.I. et al. The distribution of the dinoflagellate Wetzeliella in the Paleogene of North-Western Europe. |
1976 |
| details |
Eocene |
Oligocene |
England(Kent) |
Costa,L.I. et al. The distribution of the dinoflagellate Wetzeliella in the Paleogene of North-Western Europe. |
1976 |
| 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 |
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 |
Late Eocene |
Oligocene |
USSR(Kazakh SSR) |
Zaporozhets,N.I. Palynocomplex and phytoplankton of the Upper Eocene and Oligocene sediments by stratigraphic Well N3006, (The North-West Priaralie). |
1991 |
| details |
Late Eocene |
Middle Oligocene |
USSR(Ukrainian 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 Eocene |
Middle Oligocene |
Germany |
Benedek,P.N. Results of phytoplankton investigations of the Northwest German Tertiary. (In: Northwest Germany during the Tertiary. H.Tobien, editor) |
1986 |
| details |
Late Eocene |
Middle Oligocene |
England |
Wilkinson,I.P. et al. Offshore micropalaeontological biostratigraphy of southern and western Britain. |
1980 |
| details |
Late Eocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Mikhelis,A.A. et al. The age and correlation of Naglinok of the Dniepr Territory near Kiev from palynological data |
1975 |
| details |
Late Eocene |
Middle Oligocene |
W.Germany(Niedersachsen) |
Gocht,H. Form-Associations of Lower Tertiary microplankton from a Boring in the oil Field of Meckelfeld near Hamburg |
1969 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Tadzhik SSR) |
Oleynik,E.S. Phytoplankton of the Oligocene deposits from the Tadjik Depression. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Early Eocene |
Middle Oligocene |
Belgium |
Costa,L.I. et al. The distribution of the dinoflagellate Wetzeliella in the Paleogene of North-Western Europe. |
1976 |
| details |
Late Eocene |
Middle Oligocene |
Poland |
Grabowska,I. Stratigraphy of Palaeogene sediments in the Polish Lowlands in the light of research on microflora. |
1974 |
| details |
Eocene |
Middle Oligocene |
Canada(Eastern Offshore) |
Williams,G.L. et al. Cenozoic palynostratigraphy of offshore eastern Canada. (In: Contributions of stratigraphic palynology. With emphasis on North America. Volune 1. Cenozoic Palynology) |
1977 |
| details |
Middle Oligocene |
Middle Miocene |
USSR(Russian Platform) |
Zosimovich,V.Y. A boundary of Oligocene and Miocene in the Boreal Province of the East-European Platform |
1991 |
| details |
Middle Oligocene |
Middle Miocene |
E.Germany |
Strauss,C. Taxonomy and biostratigraphy of marine microplancton with in the Oligocene-Middle Miocene of East Germany. |
1993 |