Cyclonephelium |
Cyclonephelium
|
Australia(NSW) |
Albian |
Santonian |
Evansia |
Evansia
|
Canada(W.Canada) |
Kimmeridgian |
|
Hystrichosphaera |
Hystrichosphaera
|
Denmark |
Late Senonian |
Danian |
Hystrichosphaera |
Hystrichosphaera
|
Denmark |
Late Senonian |
Danian |
Palaeoperidinium |
Palaeoperidinium
|
E.Germany(Potsdam) |
Late Cretaceous |
|
Polystephanephorus |
Polystephanephorus
|
England(Yorkshire) |
Early Oxfordian |
|
Nannoceratopsis |
Nannoceratopsis
|
France(Calvados) |
Early Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
France(Paris Basin) |
Senonian |
|
Gonyaulacysta |
Gonyaulacysta
|
France(Pas-de-Calais) |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta
|
France(Pas-de-Calais) |
Oxfordian |
|
Scriniocassis |
Scriniocassis
|
Germany |
Late Toarcian |
Early Bajocian |
Systematophora |
Systematophora
|
Germany(Bavaria) |
Early Kimmeridgian |
|
Archaeocochlodinium |
Archaeocochlodinium
|
Nd |
Nd |
|
Archeotectatum |
Archeotectatum sarjeantii
|
Nd |
Nd |
|