Hystrichosphaeridium |
Hystrichosphaeridium huguoniotii
|
France(Cher) |
Cretaceous |
|
Heterosphaeridium |
Heterosphaeridium multifurcatum
|
France(Paris Basin) |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium multifurcatum
|
France(Paris Basin) |
Late Cretaceous |
|
Impletosphaeridium |
Impletosphaeridium polytrichum
|
France(Vienne) |
Bathonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium polytrichum
|
France(Vienne) |
Bathonian |
|
Circulodinium |
Circulodinium spinosum
|
Gabon |
Cenomanian |
Early Turonian |
Chytroeisphaeridia |
Chytroeisphaeridia spinosa
|
Gabon |
Cenomanian |
Early Turonian |
Impletosphaeridium |
Impletosphaeridium williamsii
|
Gabon |
Cenomanian |
Early Turonian |
Polysphaeridium |
Polysphaeridium williamsii
|
Gabon |
Cenomanian |
Early Turonian |
Impletosphaeridium |
Impletosphaeridium sphericum
|
Israel |
Late Jurassic |
|
Cleistosphaeridium |
Cleistosphaeridium sphericum
|
Israel |
Late Jurassic |
|
Impletosphaeridium |
Impletosphaeridium mediterraneum
|
Italy |
Senonian |
|
Cleistosphaeridium |
Cleistosphaeridium mediterraneum
|
Italy |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium araneosum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium implicatum
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium insolitum
|
Nd |
Nd |
|