Hystrichodinium |
Hystrichodinium ramoides
|
North Sea |
Barremian |
|
Hystrichosphaeridium |
Hystrichosphaeridium arborispinum
|
North Sea |
Hauterivian |
Barremian |
Hystrichosphaerina |
Hystrichosphaerina schindewolfii
|
North Sea |
Valanginian |
Early Albian |
Isabelidinium |
Isabelidinium amphiatum
|
United Kingdom |
Coniacian |
Campanian |
Isabelidinium |
Isabelidinium cooksoniae
|
North Sea |
Middle Turonian |
Maastrichtian |
Isabelidinium |
Isabelidinium cooksoniae
|
United Kingdom |
Middle Turonian |
Maastrichtian |
Isabelidinium |
Isabelidinium gallium
|
United Kingdom |
Middle Albian |
|
Isabelidinium |
Isabelidinium magnum
|
North Sea |
Late Cenomanian |
Coniacian |
Isthmocystis |
Isthmocystis distincta
|
North Sea |
Portlandian |
Early Hauterivian |
Isthmocystis |
Isthmocystis distincta
|
United Kingdom |
Ryazanian |
Early Hauterivian |
Kiokansium |
Kiokansium polypes
|
United Kingdom |
Cenomanian |
|
Kleithriasphaeridium |
Kleithriasphaeridium corrugatum
|
North Sea |
Late Ryazanian |
Barremian |
Kleithriasphaeridium |
Kleithriasphaeridium loffrense
|
United Kingdom |
Albian |
|
Kleithriasphaeridium |
Kleithriasphaeridium porosispinum
|
North Sea |
Late Kimmeridgian |
Early Valanginian |
Kleithriasphaeridium |
Kleithriasphaeridium sarmentum
|
United Kingdom |
Late Barremian |
Middle Albian |
Kleithriasphaeridium |
Kleithriasphaeridium simplicispinum
|
North Sea |
Valanginian |
Early Albian |
Kleithriasphaeridium |
Kleithriasphaeridium simplicispinum
|
United Kingdom |
Valanginian |
|