| details |
Middle Oligocene |
Late Oligocene |
Worldwide |
Wilson,G.J. et al. A concise catalogue of organic-walled fossil dinoflagellate genera. |
1980 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Nd |
|
Nd |
Loeblich,A.R.,Jr. et al. Index to the genera, subgenera, and sections of the Pyrrhophyta, 7. |
1974 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. A classification of living and fossil dinoflagellates. |
1993 |
| original |
Middle Oligocene |
Late Oligocene |
W.Germany(N.Rhine) |
Benedek,P.N. Phytoplanktons from the Middle and Upper Oligocene of Tonisberg, (Lower Rhine area). |
1972 |