Achomosphaera |
Achomosphaera alcicornu
|
Poland |
Late Eocene |
Early Oligocene |
Achomosphaera |
Achomosphaera crassipellis
|
Poland |
Paleocene |
Early Eocene |
Achomosphaera |
Achomosphaera grallaeformis
|
Poland |
Late Eocene |
|
Achomosphaera |
Achomosphaera microtriaina
|
Poland |
Late Eocene |
Early Oligocene |
Achomosphaera |
Achomosphaera ramulifera
|
Poland |
Paleocene |
Oligocene |
Areoligera |
Areoligera coronata
|
Poland |
Eocene |
|
Areosphaeridium |
Areosphaeridium arcuatum
|
Poland |
Eocene |
|
Areosphaeridium |
Areosphaeridium diktyoplokum
|
Poland |
Eocene |
Oligocene |
Areosphaeridium |
Areosphaeridium pectiniforme
|
Poland |
Late Eocene |
Oligocene |
Bitectatodinium |
Bitectatodinium tepikiense
|
Poland |
Miocene |
|
Cerebrocysta |
Cerebrocysta bartonensis
|
Nd |
Nd |
|
Charlesdowniea |
Charlesdowniea clathrata
|
Poland |
Late Paleocene |
Early Oligocene |
Charlesdowniea |
Charlesdowniea coleothrypta
|
Poland |
Late Paleocene |
Eocene |
Chiropteridium |
Chiropteridium lobospinosum
|
Poland |
Early Oligocene |
|
Chytroeisphaeridia |
Chytroeisphaeridia parva
|
Poland |
Late Eocene |
Early Oligocene |
Chytroeisphaeridia |
Chytroeisphaeridia parva
|
Greenland |
Oligocene |
Early Miocene |
Chytroeisphaeridia |
Chytroeisphaeridia parva
sp. nov. |
Poland |
Late Eocene |
|