| details |
Middle Eocene |
Early Oligocene |
Worldwide |
Williams,G.L. et al. Mesozoic and Cenozoic dinoflagellates. (In:Plankton Stratigraphy. H.M.Bolli et al, editor) |
1985 |
| details |
Middle Oligocene |
|
W.Germany(Niedersachsen) |
Costa,L.I. et al. The Federal Republic of Germany, Lower Saxony between Weser, Aller and Elbe. (In: The Northwest European Tertiary Basin. R.Vinken, compiler) |
1988 |
| details |
Chattian |
|
W.Germany(Niedersachsen) |
Heilmann-Clausen,C. et al. Dinoflagellate zonation of the Uppermost Paleocene? to Lower Miocene in the Wursterheide research well, northwest Germany |
1989 |
| details |
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 |
Late Eocene |
|
W.Germany(Niedersachsen) |
Dill,H.G. et al. A palaeoenvironmental and palaeoecological analysis of fine-grained Paleogene estuarine deposits of North Germany. |
1996 |
| details |
Rupelian |
|
W.Germany(Niedersachsen) |
Schindler,K. Organic-walled and calcareous dinoflagellate cysts from the Bohlen-Schichten (Rupelian/Oligocene) of the Leipzig Bay (northwest Saxony, Germany). |
1996 |
| details |
Middle Oligocene |
Late Oligocene |
W.Germany(N.Rhine) |
Benedek,P.N. Phytoplanktons from the Middle and Upper Oligocene of Tonisberg, (Lower Rhine area). |
1972 |
| details |
Oligocene |
|
W.Germany(Hesse) |
Brosius,M. et al. The stratigraphic range of the Heskemer pollen-picture in Borken (Tertiary, Neiderhessen). |
1959 |
| details |
Late Oligocene |
|
W.Germany(Hesse) |
Brosius,M. Plankton of the Kassel, North Hessen, marine Sand (Upper Oligocene). |
1963 |
| details |
Late Eocene |
|
W.Germany(Bavaria) |
Costa,L.I. et al. Dinoflagellate assemblage from the Late Eocene of the Kressenberg 7 Borehole, (Bavaria) and correlation to the Nannoplankton Zones. |
1981 |
| details |
Late Oligocene |
|
USSR(Ukrainian SSR) |
Grigorovich,A.S. Dinoflagellates from the boundary Layers of the Paleogene and Neogene of the Black Sea Depression |
1972 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Stotland,A.B. On the stratigraphic position of the Khar'kovsk series in the Kiev Pre-Dnieper |
1985 |
| details |
Late Eocene |
|
USSR(Ukrainian SSR) |
Stotland,A.B. Stratigraphic subdivision and age of Amber-bearing rocks in the northern Slope of the Ukrainian Crystalline Massif according to data of microphytofossil studies |
1990 |
| details |
Late Eocene |
|
USSR(Ukrainian SSR) |
Vialov,O.S. et al. Eocene and Oligocene key boundary sections of the North Slope of the Ukrainian Carpathians |
1987 |
| details |
Late Oligocene |
|
USSR(Ukrainian SSR) |
Veselov,A.A. et al. New data on the Paleogene Upper boundary in the Black Sea area Depression |
1971 |
| details |
Late Oligocene |
|
USSR(Ukrainian SSR) |
Veselov,A.A. The Paleogene and Neogene Border-Marking horizons in the South of the USSR. |
1974 |
| details |
Eocene |
|
USSR(Tobolsk District) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |