Spiniferites |
Spiniferites sp.A
sp. nov. |
Arizona |
Late Cenomanian |
Early Turonian |
Spiniferites |
Spiniferites sp.C
sp. nov. |
Arizona |
Late Cenomanian |
Early Turonian |
Amphorosphaeridium |
Amphorosphaeridium sp
|
Arizona |
Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium difficile
|
Arizona |
Late Cenomanian |
|
Coronifera |
Coronifera minor
|
Arizona |
Cretaceous |
|
Sentusidinium |
Sentusidinium sp.A
sp. nov. |
Arizona |
Late Cenomanian |
|
Pterodinium |
Pterodinium cingulatum
|
Arizona |
Late Cenomanian |
|
Pterospermella |
Pterospermella sp.A
sp. nov. |
Arizona |
Late Cenomanian |
Early Turonian |
Isabelidinium |
Isabelidinium sp.A
sp. nov. |
Arizona |
Late Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium sp
|
Arizona |
Late Cenomanian |
|
Apteodinium |
Apteodinium sp
|
Arizona |
Late Cenomanian |
Early Turonian |
Tanyosphaeridium |
Tanyosphaeridium variecalamum
|
Arizona |
Cretaceous |
Early Turonian |
Achomosphaera |
Achomosphaera sp.B
sp. nov. |
Arizona |
Late Cenomanian |
|
Baltisphaeridium |
Baltisphaeridium sp.C
sp. nov. |
Arizona |
Early Turonian |
|
Subtilisphaera |
Subtilisphaera trendallii
|
Arizona |
Early Turonian |
|
Micrhystridium |
Micrhystridium sp.C
sp. nov. |
Arizona |
Early Turonian |
|
Xiphophoridium |
Xiphophoridium alatum
|
Arizona |
Late Cenomanian |
Early Turonian |