Achomosphaera |
Achomosphaera alcicornu
|
North Sea |
Paleocene |
Oligocene |
Adnatosphaeridium |
Adnatosphaeridium patulum
|
North Sea |
Paleocene |
Early Eocene |
Cordosphaeridium |
Cordosphaeridium latispinosum
|
North Sea |
Paleocene |
Early Eocene |
Adnatosphaeridium |
Adnatosphaeridium reticulense
|
North Sea |
Late Paleocene |
Early Oligocene |
Homotryblium |
Homotryblium pallidum
|
North Sea |
Late Paleocene |
Early Oligocene |
Lanternosphaeridium |
Lanternosphaeridium bipolare
|
North Sea |
Late Paleocene |
Early Oligocene |
Wetzeliella |
Wetzeliella homomorpha
|
North Sea |
Late Paleocene |
Early Oligocene |
Adnatosphaeridium |
Adnatosphaeridium vittatum
|
North Sea |
Late Paleocene |
Eocene |
Cyclonephelium |
Cyclonephelium pastielsii
|
North Sea |
Late Paleocene |
Eocene |
Diphyes |
Diphyes colligerum
|
North Sea |
Late Paleocene |
Eocene |
Amiculosphaera |
Amiculosphaera umbraculum
|
North Sea |
Late Miocene |
Pleistocene |
Areoligera |
Areoligera medusettiformis
|
North Sea |
Cretaceous |
Middle Eocene |
Areoligera |
Areoligera senonensis
|
North Sea |
Cretaceous |
Middle Eocene |
Areosphaeridium |
Areosphaeridium arcuatum
|
North Sea |
Middle Eocene |
Early Oligocene |
Areosphaeridium |
Areosphaeridium diktyoplokum
|
North Sea |
Early Eocene |
Early Oligocene |
Hystrichokolpoma |
Hystrichokolpoma eisenackii
|
North Sea |
Early Eocene |
Early Oligocene |
Lanternosphaeridium |
Lanternosphaeridium axiale
|
North Sea |
Early Eocene |
Early Oligocene |