Circulodinium |
Circulodinium compta
|
North Sea |
Late Jurassic |
Early Valanginian |
Stiphrosphaeridium |
Stiphrosphaeridium arbustum
|
North Sea |
Ryazanian |
|
Oligosphaeridium |
Oligosphaeridium diluculum
|
North Sea |
Late Ryazanian |
Valanginian |
Endoscrinium |
Endoscrinium pharo
|
North Sea |
Late Ryazanian |
Early Valanginian |
Nematosphaeropsis |
Nematosphaeropsis scala
|
North Sea |
Valanginian |
Hauterivian |
Lagenorhytis |
Lagenorhytis delicatula
|
North Sea |
Valanginian |
Early Hauterivian |
Muderongia |
Muderongia simplex
|
North Sea |
Late Ryazanian |
Hauterivian |
Gochteodinia |
Gochteodinia villosa
|
North Sea |
Late Ryazanian |
Early Hauterivian |
Kleithriasphaeridium |
Kleithriasphaeridium simplicispinum
|
North Sea |
Valanginian |
Early Albian |
Heslertonia |
Heslertonia heslertonensis
|
North Sea |
Late Ryazanian |
Early Aptian |
Isthmocystis |
Isthmocystis distincta
|
North Sea |
Portlandian |
Early Hauterivian |
Pseudoceratium |
Pseudoceratium pelliferum
|
North Sea |
Late Ryazanian |
Barremian |
Tehamadinium |
Tehamadinium daveyi
|
North Sea |
Late Ryazanian |
Early Valanginian |
Batioladinium |
Batioladinium longicornutum
|
North Sea |
Hauterivian |
Late Barremian |
Ophiobolus |
Ophiobolus sp.A Dave.,1979
sp. nov. |
North Sea |
Late Hauterivian |
|
Odontochitina |
Odontochitina operculata
|
North Sea |
Barremian |
Maastrichtian |
Canningia |
Canningia reticulata
|
North Sea |
Late Hauterivian |
|