Hafniasphaera |
Hafniasphaera septata
|
Nd |
Nd |
|
Senoniasphaera |
Senoniasphaera inornata
|
North Sea |
Danian |
Selandian |
Areosphaeridium |
Areosphaeridium arcuatum
|
North Sea |
Early Oligocene |
|
Svalbardella |
Svalbardella cooksoniae
|
North Sea |
Early Oligocene |
|
Areosphaeridium |
Areosphaeridium diktyoplokum
|
North Sea |
Eocene |
Early Oligocene |
Rhombodinium |
Rhombodinium porosum
|
North Sea |
Lutetian |
|
Heteraulacacysta |
Heteraulacacysta porosa
|
North Sea |
Lutetian |
|
Diphyes |
Diphyes colligerum
|
North Sea |
Lutetian |
|
Systematophora |
Systematophora placacantha
|
North Sea |
Lutetian |
|
Dracodinium |
Dracodinium pachydermum
|
North Sea |
Ypresian |
Lutetian |
Eatonicysta |
Eatonicysta ursulae
|
North Sea |
Ypresian |
Lutetian |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
North Sea |
Late Paleocene |
Early Eocene |
Charlesdowniea |
Charlesdowniea edwardsii
|
North Sea |
Ypresian |
|
Homotryblium |
Homotryblium tenuispinosum
|
North Sea |
Ypresian |
|
Wetzeliella |
Wetzeliella meckelfeldensis
|
North Sea |
Ypresian |
|
Apectodinium |
Apectodinium summissum
|
North Sea |
Ypresian |
|
Kisselevia |
Kisselevia coleothrypta
|
North Sea |
Ypresian |
|