Achomosphaera |
Achomosphaera neptuni
|
North Sea |
Late Ryazanian |
Early Albian |
Adnatosphaeridium |
Adnatosphaeridium apiculatum
|
North Sea |
Volgian |
Ryazanian |
Alterbia |
Alterbia acuminata
|
North Sea |
Cenomanian |
Santonian |
Apteodinium |
Apteodinium grande
|
North Sea |
Early Cenomanian |
|
Areoligera |
Areoligera senonensis
|
North Sea |
Late Campanian |
Maastrichtian |
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
North Sea |
Late Hauterivian |
Early Santonian |
Canningia |
Canningia reticulata
|
North Sea |
Hauterivian |
|
Canninginopsis |
Canninginopsis tabulata
|
North Sea |
Barremian |
Aptian |
Cannosphaeropsis |
Cannosphaeropsis sp.A
sp. nov. |
North Sea |
Volgian |
Ryazanian |
Carpodinium |
Carpodinium granulatum
|
North Sea |
Late Barremian |
Albian |
Cassiculosphaeridia |
Cassiculosphaeridia magna
|
North Sea |
Volgian |
Barremian |
Chatangiella |
Chatangiella niiga
|
North Sea |
Late Santonian |
|
Chatangiella |
Chatangiella victoriensis
|
North Sea |
Coniacian |
Santonian |
Cleistosphaeridium |
Cleistosphaeridium tiara
|
North Sea |
Cenomanian |
Santonian |
Coronifera |
Coronifera oceanica
|
North Sea |
Late Hauterivian |
Maastrichtian |
Ctenidodinium |
Ctenidodinium elegantulum
|
North Sea |
Valanginian |
Barremian |
Cyclonephelium |
Cyclonephelium membraniphorum
|
North Sea |
Cenomanian |
Early Coniacian |