Pterodinium |
Pterodinium perforatum
|
North Sea |
Early Cenomanian |
|
Scriniodinium |
Scriniodinium campanula
|
North Sea |
Valanginian |
Early Santonian |
Silicisphaera |
Silicisphaera tridactylites
|
North Sea |
Turonian |
Campanian |
Sirmiodinium |
Sirmiodinium grossii
|
North Sea |
Volgian |
Barremian |
Speetonia |
Speetonia delicatula
|
North Sea |
Valanginian |
|
Spiniferites |
Spiniferites dentatus
|
North Sea |
Valanginian |
Early Hauterivian |
Spiniferites |
Spiniferites ramosus
|
North Sea |
Valanginian |
Early Tertiary |
Spongodinium |
Spongodinium delitiense
|
North Sea |
Late Campanian |
Maastrichtian |
Stephodinium |
Stephodinium coronatum
|
North Sea |
Cenomanian |
Turonian |
Subtilisphaera |
Subtilisphaera terrula
|
North Sea |
Late Hauterivian |
Aptian |
Tanyosphaeridium |
Tanyosphaeridium variecalamum
|
North Sea |
Cenomanian |
Turonian |
Thalassiphora |
Thalassiphora pelagica
|
North Sea |
Late Maastrichtian |
|
Triblastula |
Triblastula utinensis
|
North Sea |
Santonian |
Early Maastrichtian |
Tubotuberella |
Tubotuberella apatela
|
North Sea |
Volgian |
Early Valanginian |
Xenascus |
Xenascus ceratioides
|
North Sea |
Cenomanian |
Early Maastrichtian |
Xiphophoridium |
Xiphophoridium alatum
|
North Sea |
Cenomanian |
Campanian |