| 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 |
Bartonian |
|
England(Hampshire) |
Bujak,J.P. Microplankton from the Barton Beds of the Hampshire Basin, England. |
1973 |
| details |
Bartonian |
|
England(Hampshire) |
Bujak,J.P. Microplankton from the Barton Beds of the Hampshire Basin, England. |
1973 |
| 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 |
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 |
Late Rupelian |
Romania |
Antonescu,E. et al. Contributions to the knowledge of the stratigraphy and the tectonics of the Singeorz Bai-Lunca Ilvei Region |
1978 |
| details |
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 |
Middle 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 |
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 |
Eocene |
Early Oligocene |
USSR |
Aristova,K.E. Pollen and microplankton from the Eocene-Oligocene boundary deposits in the Southern Part of the USSR |
1973 |
| details |
Eocene |
|
USSR |
Aristova,K.E. Pollen and microplankton from the Eocene-Oligocene boundary deposits in the Southern Part of the USSR |
1973 |
| details |
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 |
Early Miocene |
|
Spain |
Jan du ChЄne,R.E. Palynological study of Upper Miocene (Andulusian), Spain. |
1977 |
| details |
Middle Eocene |
|
England(Hampshire) |
Costa,L.I. et al. Palynostratigraphy of some Middle Eocene sections from the Hampshire Basin (England). |
1976 |
| details |
Early Oligocene |
Middle Oligocene |
W.Germany(Niedersachsen) |
Costa,L.I. et al. The distribution of the dinoflagellate Wetzeliella in the Paleogene of North-Western Europe. |
1976 |
| details |
Early Oligocene |
|
Belgium |
Costa,L.I. et al. The distribution of the dinoflagellate Wetzeliella in the Paleogene of North-Western Europe. |
1976 |