Achomosphaera |
Achomosphaera alcicornu
|
North Sea |
Paleocene |
Oligocene |
Adnatosphaeridium |
Adnatosphaeridium patulum
|
North Sea |
Paleocene |
Early Eocene |
Adnatosphaeridium |
Adnatosphaeridium reticulense
|
North Sea |
Late Paleocene |
Early Oligocene |
Adnatosphaeridium |
Adnatosphaeridium vittatum
|
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 |
Areosphaeridium |
Areosphaeridium multicornutum
|
North Sea |
Late Eocene |
Early Oligocene |
Batiacasphaera |
Batiacasphaera baculata
|
North Sea |
Early Miocene |
|
Bitectatodinium |
Bitectatodinium tepikiense
|
North Sea |
Late Miocene |
Holocene |
Cannosphaeropsis |
Cannosphaeropsis sp.A Will.& Brid.,1975
sp. nov. |
North Sea |
Miocene |
|
Chiropteridium |
Chiropteridium aspinatum
|
North Sea |
Late Eocene |
Oligocene |
Chiropteridium |
Chiropteridium dispersum
|
North Sea |
Late Eocene |
Oligocene |
Chiropteridium |
Chiropteridium partispinatum
|
North Sea |
Oligocene |
|
Cordosphaeridium |
Cordosphaeridium cantharellus
|
North Sea |
Oligocene |
|