| original |
Early Oligocene |
|
W.Germany |
Morgenroth,P. New microfossils preserved in organic substances of the Oligocene |
1966 |
| details |
Early Oligocene |
|
W.Germany |
Eisenack,A. et al. Katalog der Fossilen Dinoflagellaten, Hystrichosph¤ren und Verwandten Mikrofossilien. Band I. Dinoflagellaten. 2.Erg¤nzungslieferung.III + 215p |
1971 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |