| details |
Middle Oligocene |
Middle Miocene |
W.Germany |
Maier,D. Investigation of plankton in Tertiary and Quaternary marine sediments. |
1959 |
| details |
Eocene |
|
Australia(S.Australia) |
Cookson,I.C. Additional microplankton from Australian Late Mesozoic and Tertiary sediments. |
1956 |
| details |
Oligocene |
|
Australia(Victoria) |
Cookson,I.C. Additional microplankton from Australian Late Mesozoic and Tertiary sediments. |
1956 |
| details |
Early 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 |