| details |
Middle Oligocene |
Middle Miocene |
W.Germany(Niedersachsen) |
Gerlach,E. Oligocene and Miocene microfossils of Northwestern Germany, with special consideration of Hystrichospheres and dinoflagellate. |
1961 |
| details |
Middle Oligocene |
Middle Miocene |
W.Germany(Niedersachsen) |
Gerlach,E. Oligocene and Miocene microfossils of Northwestern Germany, with special consideration of Hystrichospheres and dinoflagellate. |
1961 |
| details |
Late Eocene |
Early Oligocene |
Australia(W.Australia) |
Balme,B.E. et al. Tertiary sediments at Coolgardie, Western Australia |
1959 |
| details |
Eocene |
|
Australia(Victoria) |
Deflandre,G. et al. Fossil microplankton from Australian Late Mesozoic and Tertiary sediments |
1955 |
| details |
Eocene |
|
Australia(S.Australia) |
Deflandre,G. et al. Fossil microplankton from Australian Late Mesozoic and Tertiary sediments |
1955 |
| original |
Oligocene |
|
Poland |
Eisenack,A. Microfossils from the Lower Oligocene phosphorites of Samland and concerning the uniformity of Hystrichospheres. |
1954 |
| details |
Middle Eocene |
Late Eocene |
W.Germany(Schleswig) |
Klumpp,B. Contribution to the knowledge of microfossils of the Middle and Upper Eocene |
1953 |
| original |
Late Eocene |
|
W.Germany(Schleswig) |
Klumpp,B. Contribution to the knowledge of microfossils of the Middle and Upper Eocene |
1953 |