Oligosphaeridium |
Oligosphaeridium complex
|
Africa |
Cretaceous |
|
Muratodinium |
Muratodinium fimbriatum
|
Alabama |
Early Eocene |
|
Areosphaeridium |
Areosphaeridium diktyoplokum
|
Antarctica |
Eocene |
|
Areosphaeridium |
Areosphaeridium diktyoplokum
|
Argentina |
Eocene |
|
Danea |
Danea mutabilis
|
Arizona |
Danian |
|
Spiniferites |
Spiniferites ramosus
|
Australia |
Oxfordian |
Cretaceous |
Oodnadattia |
Oodnadattia tuberculata
|
Australia |
Cretaceous |
|
Toolongia |
Toolongia medusoides
|
Australia |
Senonian |
|
Xiphophoridium |
Xiphophoridium alatum
|
Australia |
Albian |
Cenomanian |
Pyramidium |
Pyramidium alatum
|
Australia |
Albian |
Cenomanian |
Lingulodinium |
Lingulodinium machaerophorum
|
Australia |
Miocene |
|
Operculodinium |
Operculodinium centrocarpum
|
Australia |
Miocene |
|
Heslertonia |
Heslertonia heslertonensis
|
Australia |
Late Cretaceous |
|
Muratodinium |
Muratodinium fimbriatum
|
Australia |
Early Eocene |
|
Achomosphaera |
Achomosphaera ramulifera
|
Australia |
Paleocene |
|
Nematosphaeropsis |
Nematosphaeropsis balcombiana
|
Australia |
Miocene |
|
Planinosphaeridium |
Planinosphaeridium membranaceum
|
Australia |
Aptian |
Albian |