| 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 |
Late Oligocene |
Early Miocene |
W.Germany(N.Rhine) |
Brelie,G.Von Der et al. Pollen flora and phytoplancton in the Cologne Layers and their lithostratigraphy in the Siegburg Graben. |
1981 |
| 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 |
| original |
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 |
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 |
Early Oligocene |
Middle Oligocene |
W.Germany(N.Rhine) |
Benedek,P.N. et al. The Lower/Middle Oligocene boundary at Doberg near Bunde/Westfalen.1.Phyto and Nannoplankton. |
1976 |
| details |
Rupelian |
Stampian |
W.Germany(Hesse) |
Schuler,M. Paleogene environments and paleoclimates. palynology and Ludian-Stampian biostratigraphy of the Eocene and Early Oligocene in the Rhenan, Rhodonian and Hesse Basins |
1990 |
| details |
Late Oligocene |
|
W.Germany(Hesse) |
Brosius,M. Plankton of the Kassel, North Hessen, marine Sand (Upper Oligocene). |
1963 |
| details |
Middle Oligocene |
|
W.Germany |
Maier,D. Investigation of plankton in Tertiary and Quaternary marine sediments. |
1959 |
| details |
Early Tertiary |
|
W.Germany |
Gocht,H. Sulcusplates of Wetzeliella |
1967 |
| details |
Late Oligocene |
|
Virginia |
Edwards,L.E. Dinocysts of the Tertiary Piney Point and Old Church Formations, Pamunkey River area, Virginia. (In: Stratigraphy and paleontology of the outcropping Tertiary Beds in the Pomunkey River Region, Central Virginia Coastal Plain) |
1984 |
| 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 |
Early Oligocene |
USSR(Ukrainian SSR) |
Andreeva-Grigorovich,A.S. et al. On the boundary of Eocene and Oligocene of the Scale zone of the Ukrainian Carpathians according to paleofloristic data. |
1985 |
| details |
Late Oligocene |
|
USSR(Ukrainian SSR) |
Zosimovich,V.Y. A boundary of Oligocene and Miocene in the Boreal Province of the East-European Platform |
1991 |
| details |
Late Eocene |
Early Oligocene |
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 |