| details |
Middle Oligocene |
Late Oligocene |
Nd |
Sarjeant,W.A.S. The stratigraphical distribution of fossil dinoflagellates. |
1967 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Paleocene |
|
Germany |
Vozzhennikova,T.F. Introduction to the study of fossilized Peridinid algae. |
1965 |
| details |
Middle Oligocene |
Late Oligocene |
E.Germany |
Eisenack,A. Catalog of fossil dinoflagellates, hystrichospheres and microfossils |
1964 |
| original |
Middle Oligocene |
Late Oligocene |
Germany |
Alberti,G. Studies of the genus Deflandrea, Eisenack, (Dinoflagellata) in the Cretaceous and Lower Tertiary of North and Middle Germany. |
1959 |