Pterodinium |
Pterodinium cingulatum
|
Arizona |
Late Cenomanian |
|
Pterospermella |
Pterospermella australiensis
|
Arizona |
Late Cenomanian |
|
Pterospermella |
Pterospermella australiensis
|
Nd |
Nd |
|
Pterospermella |
Pterospermella hartii
|
Nd |
Nd |
|
Pterospermella |
Pterospermella pastielsii
|
Nd |
Nd |
|
Pterospermella |
Pterospermella sp
|
Nd |
Nd |
|
Pterospermella |
Pterospermella sp.A
sp. nov. |
Arizona |
Late Cenomanian |
Early Turonian |
Scriniodinium |
Scriniodinium campanula
|
Arizona |
Late Cenomanian |
Early Turonian |
Senoniasphaera |
Senoniasphaera sp
|
Arizona |
Late Cenomanian |
Early Turonian |
Sentusidinium |
Sentusidinium eisenackii
|
Arizona |
Late Cenomanian |
|
Sentusidinium |
Sentusidinium sp
|
Colorado |
Late Cenomanian |
Early Turonian |
Sentusidinium |
Sentusidinium sp
|
Utah |
Late Cenomanian |
Early Turonian |
Sentusidinium |
Sentusidinium sp
|
New Mexico |
Late Cenomanian |
Early Turonian |
Sentusidinium |
Sentusidinium sp
|
Nd |
Nd |
|
Sentusidinium |
Sentusidinium sp.A
sp. nov. |
Arizona |
Late Cenomanian |
|
Spiniferites |
Spiniferites ancorifer
|
Arizona |
Cretaceous |
Early Turonian |
Spiniferites |
Spiniferites cornutus
|
Arizona |
Late Cenomanian |
|