| details |
Middle Eocene |
|
USSR(Ukrainian SSR) |
Grigorovich,A.S. Microphytoplankton of the Cretaceous-Paleogene deposits of the northern slopes of the Ukrainian Carpathians. |
1971 |
| details |
Early Eocene |
Middle Eocene |
USSR |
Andreeva-Grigorovich,A.S. Zonal Division of the Paleocene-Eocene deposits according to dinocysts in the Southern Part of the USSR |
1985 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| original |
Early Eocene |
|
Caspian Sea |
Andreeva-Grigorovich,A.S. et al. New dinocysts from the Paleogene of the Ukraine, Russia and Kazakhstan |
1993 |