| details |
Late Rupelian |
Early Chattian |
Italy |
Prins,T. Middle Oligocene through Lower Miocene dinoflagellate cyst stratigraphy in Northwest Italy |
1991 |
| details |
Late Ypresian |
Early Chattian |
Germany(Niedersachsen) |
Kжthe,A. Paleogene dinoflagellates from Northwest Germany; biostratigraphy and paleoenvironment. |
1991 |
| details |
Early Rupelian |
Middle Rupelian |
Germany(Niedersachsen) |
Kжthe,A. Paleogene dinoflagellates from Northwest Germany; biostratigraphy and paleoenvironment. |
1991 |
| 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 |
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 |
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 |
Rupelian |
Chattian |
North Sea |
Powell,A.J. Dinoflagellate cysts of the Tertiary system. (In: A Stratigraphic Index of Dinoflagellate Cysts. A.J.Powell, editor) |
1992 |
| details |
Rupelian |
|
North Sea |
Gradstein,F.M. et al. Cenozoic Foraminiferal and dinoflagellate cyst biostratigraphy of the Central North Sea |
1992 |
| details |
Late Rupelian |
Early Burdigalian |
Italy |
Weltje,G.J. Oligocene to Early Miocene sedimentation and tectonics in the southern part of the Calabrian-Peloritan Arc, (Asporomonte, southern Italy). A record of mixed-mode Piggy Back Basin evolution. |
1992 |
| details |
Late Rupelian |
|
North Sea |
Condon,P.J. et al. Eocene succession of the East Shetland Platform, North Sea. |
1992 |
| details |
Early Oligocene |
|
Italy |
Brinkhuis,H. Late Paleogene dinoflagellate cysts with special reference to the Eocene/Oligocene boundary |
1992 |
| details |
Early Oligocene |
|
Italy |
Brinkhuis,H. Late Paleogene dinoflagellate cysts with special reference to the Eocene/Oligocene boundary |
1992 |
| details |
Early Oligocene |
|
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 |
Early Oligocene |
|
Italy |
Brinkhuis,H. et al. Dinoflagellate cyst stratigraphy of the Eocene/Oligocene transition in Central Italy |
1993 |
| details |
Middle Oligocene |
|
E.Germany |
Strauss,C. Taxonomy and biostratigraphy of marine microplancton with in the Oligocene-Middle Miocene of East Germany. |
1993 |
| details |
Oligocene |
|
USSR(Carpathians) |
Andreeva-Grigorovich,A.S. et al. Paleoecology of Paleogene fossil dinoflagellates |
1993 |
| details |
Early Oligocene |
|
Russia(Caucasus) |
Zaporozhets,N.I. Lower Oligocene palynology and phytoplankton of the northern Caucasus |
1993 |