Hystrichosphaeridium |
Hystrichosphaeridium arborispinum
|
North Sea |
Late Hauterivian |
|
Hystrichosphaeridium |
Hystrichosphaeridium scoriaceum
|
North Sea |
Ryazanian |
Hauterivian |
Hystrichosphaerina |
Hystrichosphaerina schindewolfii
|
North Sea |
Valanginian |
Early Aptian |
Isabelidinium |
Isabelidinium gallium
|
North Sea |
Late Aptian |
Middle Albian |
Isthmocystis |
Isthmocystis distincta
|
North Sea |
Middle Volgian |
Albian |
Kalyptea |
Kalyptea diceras
|
North Sea |
Early Valanginian |
|
Kiokansium |
Kiokansium polypes
|
North Sea |
Ryazanian |
Early Albian |
Kleithriasphaeridium |
Kleithriasphaeridium corrugatum
|
North Sea |
Middle Volgian |
Early Aptian |
Kleithriasphaeridium |
Kleithriasphaeridium corrugatum
|
North Sea |
Late Valanginian |
Early Hauterivian |
Kleithriasphaeridium |
Kleithriasphaeridium eoinodes
|
North Sea |
Late Ryazanian |
Early Albian |
Kleithriasphaeridium |
Kleithriasphaeridium fasciatum
|
North Sea |
Late Volgian |
Middle Barremian |
Kleithriasphaeridium |
Kleithriasphaeridium porosispinum
|
North Sea |
Middle Volgian |
Early Valanginian |
Kleithriasphaeridium |
Kleithriasphaeridium sp.1
sp. nov. |
North Sea |
Ryazanian |
Early Hauterivian |
Lagenorhytis |
Lagenorhytis delicatula
|
North Sea |
Ryazanian |
Early Hauterivian |
Leberidocysta |
Leberidocysta chlamydata
|
North Sea |
Early Albian |
|
Leptodinium |
Leptodinium cancellatum
|
North Sea |
Aptian |
Early Albian |
Litosphaeridium |
Litosphaeridium arundum
|
North Sea |
Late Albian |
|