| original |
Late Oligocene |
|
USSR(European) |
Grigorovich,A.S. et al. Peridineas from Bordering Beds of Oligocene and Miocene in the Black Sea area Depression. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| original |
Late Eocene |
|
England(Isle of Wight) |
Williams,G.L. et al. Distribution patterns of some North Atlantic Cenozoic dinoflagellate cysts. |
1977 |
| original |
Early Eocene |
|
Canada(Atlantic Coast) |
Head,M.J. et al. Palynology and dinocyst stratigraphy of the Eocene and Oligocene in ODP Leg 105, Hole 647A, Labrador Sea. |
1989 |
| details |
Early Oligocene |
|
Poland |
Gedl,P. et al. Palynology of the Eocene-Oligocene Transition in the Marginal Zone of the Magura Nappe at Folusz (Western Carpathians, Poland). |
2005 |