| original |
Late Eocene |
Early Oligocene |
Poland |
Eisenack,A. Microfossils from the Lower Oligocene phosphorites of Samland and concerning the uniformity of Hystrichospheres. |
1954 |
| details |
Early Oligocene |
|
Poland |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Bartonian |
|
Belgium |
Rozen,B. Contribution to the study of Hystrichospheres and dinoflagellates of the Belgian Bartonian. |
1965 |
| details |
Late Eocene |
Early Oligocene |
Poland |
Rozen,B. Contribution to the study of Hystrichospheres and dinoflagellates of the Belgian Bartonian. |
1965 |
| details |
Early Eocene |
|
W.Germany(Rhineland) |
Morgenroth,P. Lower Eocene microfossils and Concretions of Northwest Germany |
1966 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Nd |
|
Nd |
De Coninck,J. Ypresian organic walled microfossils from the Belgian Basin. |
1975 |
| details |
Eocene |
|
England(Isle of Wight) |
Eaton,G.L. Dinoflagellate cysts from the Bracklesham Beds (Eocene), of the Isle of Wight, Southern England. |
1976 |
| details |
Barremian |
|
England |
Duxbury,S. Barremian phytoplankton from Speeton, East Yorkshire. |
1980 |
| details |
Late Eocene |
Early Oligocene |
E.Germany |
Duxbury,S. Barremian phytoplankton from Speeton, East Yorkshire. |
1980 |
| details |
Early Oligocene |
|
Poland |
Duxbury,S. Barremian phytoplankton from Speeton, East Yorkshire. |
1980 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |