Crassosphaera |
Crassosphaera concinna
|
Poland |
Late Eocene |
Early Oligocene |
Cymatiosphaera |
Cymatiosphaera bujakii
|
Poland |
Late Eocene |
|
Cymatiosphaera |
Cymatiosphaera eupeplos
|
Poland |
Eocene |
Early Oligocene |
Cymatiosphaeropsis |
Cymatiosphaeropsis imitatus
|
Poland |
Late Eocene |
Late Oligocene |
Cymatiosphaeropsis |
Cymatiosphaeropsis punctiferus
|
Poland |
Paleocene |
Early Oligocene |
Cystidiopsis |
Cystidiopsis certa
|
Poland |
Oligocene |
Early Miocene |
Cystidiopsis |
Cystidiopsis conicus
sp. nov. |
Poland |
Late Eocene |
|
Cystidiopsis |
Cystidiopsis mamellatus
|
Netherlands |
Late Ypresian |
Lutetian |
Cystidiopsis |
Cystidiopsis mamellatus
|
Poland |
Late Eocene |
Early Oligocene |
Leiosphaeridia |
Leiosphaeridia pusilla
|
Poland |
Late Eocene |
Early Oligocene |
Litosphaeridium |
Litosphaeridium mamellatum
|
Netherlands |
Late Ypresian |
Lutetian |
Palambages |
Palambages morulosa
|
Poland |
Late Cretaceous |
Eocene |
Pterospermella |
Pterospermella aureolata
|
Poland |
Late Eocene |
|
Pterospermella |
Pterospermella australiensis
|
Poland |
Paleocene |
Early Eocene |
Pterospermella |
Pterospermella barbarae
|
Poland |
Late Cretaceous |
Eocene |
Pterospermella |
Pterospermella microptera
|
Poland |
Late Eocene |
|
Tetraporina |
Tetraporina quadrata
|
Poland |
Late Eocene |
Miocene |