| details |
Late Eocene |
Early Oligocene |
USSR(Siberia) |
Lentin,J.K. et al. A monograph of fossil Peridinioid dinoflagellate cysts. |
1976 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1981 edition. |
1981 |
| details |
Middle Eocene |
Late Eocene |
USSR(Ukrainian SSR) |
Andreeva-Grigorovich,A.S. et al. On the boundary of Eocene and Oligocene of the Scale zone of the Ukrainian Carpathians according to paleofloristic data. |
1985 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates from the Jurassic, Cretaceous and Paleogene deposits of the USSR- A restudy. |
1990 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |