original |
Middle Oligocene |
Late Oligocene |
Arctic Ocean |
Manum,S.B. Dinocysts in Tertiary Norwegian-Greenland Sea Sediments, (Deep Sea Drilling Project Leg 38), with observations on palynomorps and palynodebris in relation to environment. |
1976 |
original |
Tortonian |
|
Italy |
Herngreen,G.F.W. Correlation between Miocene Beds of the Southeast Netherlands and Italy based on dinoflagellate biozonation |
1987 |
original |
Late Miocene |
|
Greenland |
Strauss,C. Taxonomy and biostratigraphy of marine microplancton with in the Oligocene-Middle Miocene of East Germany. |
1993 |