Oligosphaeridium |
Oligosphaeridium complex
|
Arizona |
Late Cenomanian |
Early Turonian |
Oligosphaeridium |
Oligosphaeridium dispare
|
Arizona |
Late Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Arizona |
Late Cenomanian |
|
Ovoidinium |
Ovoidinium verrucosum
|
Arizona |
Late Cenomanian |
Early Turonian |
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Arizona |
Late Cenomanian |
Early Turonian |
Pervosphaeridium |
Pervosphaeridium brevispinum
|
Arizona |
Late Cenomanian |
Early Turonian |
Pervosphaeridium |
Pervosphaeridium pseudhystrichodinium
|
Arizona |
Late Cenomanian |
Early Turonian |
Pervosphaeridium |
Pervosphaeridium truncatum
|
Arizona |
Early Turonian |
|
Prolixosphaeridium |
Prolixosphaeridium conulum
|
Arizona |
Late Cenomanian |
Early Turonian |
Pseudoceratium |
Pseudoceratium eisenackii
|
Arizona |
Late Cenomanian |
Early Turonian |
Pterodinium |
Pterodinium cingulatum
|
Arizona |
Late Cenomanian |
|
Scriniodinium |
Scriniodinium campanula
|
Arizona |
Late Cenomanian |
Early Turonian |
Senoniasphaera |
Senoniasphaera sp
|
Arizona |
Late Cenomanian |
Early Turonian |
Sentusidinium |
Sentusidinium eisenackii
|
Arizona |
Late Cenomanian |
|
Spiniferites |
Spiniferites ancorifer
|
Arizona |
Cretaceous |
Early Turonian |
Spiniferites |
Spiniferites multibrevis
|
Arizona |
Late Cenomanian |
Early Turonian |
Subtilisphaera |
Subtilisphaera deformans
|
Arizona |
Late Cenomanian |
Early Turonian |