Gonyaulacysta |
Gonyaulacysta boreas
|
North Sea |
Late Hauterivian |
Barremian |
Gonyaulacysta |
Gonyaulacysta cladophora
|
North Sea |
Late Valanginian |
Early Hauterivian |
Heslertonia |
Heslertonia heslertonensis
|
North Sea |
Late Hauterivian |
Barremian |
Hystrichodinium |
Hystrichodinium ramoides
|
North Sea |
Late Hauterivian |
Barremian |
Hystrichosphaeridium |
Hystrichosphaeridium scoriaceum
|
North Sea |
Late Valanginian |
|
Kleithriasphaeridium |
Kleithriasphaeridium porosispinum
|
North Sea |
Late Ryazanian |
Early Valanginian |
Lithodinia |
Lithodinia pertusa
|
North Sea |
Early Hauterivian |
|
Muderongia |
Muderongia simplex
|
North Sea |
Valanginian |
Hauterivian |
Oligosphaeridium |
Oligosphaeridium abaculum
|
North Sea |
Late Hauterivian |
|
Oligosphaeridium |
Oligosphaeridium amplexum
|
North Sea |
Early Hauterivian |
|
Oligosphaeridium |
Oligosphaeridium diluculum
|
North Sea |
Late Ryazanian |
Early Valanginian |
Oligosphaeridium |
Oligosphaeridium sp.1 Heil.,1987
sp. nov. |
North Sea |
Early Hauterivian |
|
Phoberocysta |
Phoberocysta neocomica
|
North Sea |
Early Valanginian |
|
Phoberocysta |
Phoberocysta neocomica
|
North Sea |
Late Valanginian |
Early Hauterivian |
Pseudoceratium |
Pseudoceratium pelliferum
|
North Sea |
Late Hauterivian |
Barremian |
Pterospermella |
Pterospermella sp
|
North Sea |
Early Aptian |
|
Sirmiodinium |
Sirmiodinium grossii
|
North Sea |
Late Hauterivian |
Barremian |