Gonyaulacysta |
Gonyaulacysta helicoidea
|
North Sea |
Late Valanginian |
|
Gonyaulacysta |
Gonyaulacysta kostromiensis
|
North Sea |
Early Barremian |
|
Gonyaulacysta |
Gonyaulacysta sp.A
sp. nov. |
North Sea |
Late Ryazanian |
|
Gonyaulacysta |
Gonyaulacysta sp.B
sp. nov. |
North Sea |
Late Ryazanian |
|
Gonyaulacysta |
Gonyaulacysta teichos
|
North Sea |
Early Barremian |
|
Hexagonifera |
Hexagonifera chlamydata
|
North Sea |
Late Albian |
|
Hystrichodinium |
Hystrichodinium furcatum
|
North Sea |
Early Barremian |
|
Hystrichodinium |
Hystrichodinium ornatum
|
North Sea |
Middle Barremian |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
North Sea |
Late Hauterivian |
Late Albian |
Hystrichodinium |
Hystrichodinium ramoides
|
North Sea |
Middle Barremian |
|
Hystrichodinium |
Hystrichodinium voigtii
|
North Sea |
Late Valanginian |
|
Hystrichogonyaulax |
Hystrichogonyaulax cladophora
|
North Sea |
Late Hauterivian |
Middle Barremian |
Hystrichogonyaulax |
Hystrichogonyaulax cladophora
|
North Sea |
Late Valanginian |
|
Hystrichosphaeridium |
Hystrichosphaeridium arborispinum
|
North Sea |
Middle Barremian |
|
Hystrichosphaeridium |
Hystrichosphaeridium phoenix
|
North Sea |
Middle Barremian |
|
Hystrichosphaeridium |
Hystrichosphaeridium scoriaceum
|
North Sea |
Early Valanginian |
|
Kiokansium |
Kiokansium prolatum
|
North Sea |
Middle Albian |
Late Albian |