Achomosphaera |
Achomosphaera alcicornu
|
Poland |
Early Oligocene |
|
Achomosphaera |
Achomosphaera ramulifera
|
Poland |
Late Eocene |
Early Oligocene |
Achomosphaera |
Achomosphaera sagena
|
Poland |
Early Oligocene |
|
Adnatosphaeridium |
Adnatosphaeridium multispinosum
|
Poland |
Early Oligocene |
|
Adnatosphaeridium |
Adnatosphaeridium sp.A
|
Poland |
Early Oligocene |
|
Adnatosphaeridium |
Adnatosphaeridium vittatum
|
Poland |
Late Eocene |
Early Oligocene |
Amphorosphaeridium |
Amphorosphaeridium multispinosum
|
Poland |
Late Eocene |
|
Apectodinium |
Apectodinium quinquelatum
|
Poland |
Early Oligocene |
|
Areoligera |
Areoligera semicirculata
|
Poland |
Early Oligocene |
|
Areoligera |
Areoligera sentosa
|
Poland |
Late Eocene |
Early Oligocene |
Areoligera |
Areoligera sp
|
Poland |
Late Eocene |
Early Oligocene |
Areoligera |
Areoligera undulata
|
Poland |
Late Eocene |
Early Oligocene |
Areosphaeridium |
Areosphaeridium diktyoplokum
|
Poland |
Late Eocene |
Early Oligocene |
Areosphaeridium |
Areosphaeridium michoudii
|
Poland |
Late Eocene |
Early Oligocene |
Cerebrocysta |
Cerebrocysta bartonensis
|
Poland |
Late Eocene |
Early Oligocene |
Charlesdowniea |
Charlesdowniea clathrata
|
Poland |
Late Eocene |
Early Oligocene |
Charlesdowniea |
Charlesdowniea coleothrypta
|
Poland |
Late Eocene |
Early Oligocene |