Verrucosisporites |
Verrucosisporites obscurilaesuratus
|
Canada |
Barremian |
|
Baltisphaeridium |
Baltisphaeridium varispinosum
|
England(Yorkshire) |
Early Callovian |
|
Tenua |
Tenua varispinosa
|
England(Yorkshire) |
Early Callovian |
|
Acanthaulax |
Acanthaulax spinosissima
|
France(Calvados) |
Early Oxfordian |
|
Palaeoperidinium |
Palaeoperidinium spinosissimum
|
France(Calvados) |
Early Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
Greenland |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Greenland |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Greenland |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta cladophora
|
Greenland |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta cladophora
|
Greenland |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta eisenackii
|
Greenland |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta eisenackii
|
Greenland |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta transparens
|
Greenland |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta whatleyi
sp. nov. |
Greenland |
Bathonian |
Middle Callovian |
Gonyaulacysta |
Gonyaulacysta scarburghensis
|
Greenland |
Bathonian |
Callovian |
Leptodinium |
Leptodinium millioudii
|
Greenland |
Bathonian |
Callovian |
Hystrichogonyaulax |
Hystrichogonyaulax cornigera
|
Greenland |
Bathonian |
Callovian |