Gonyaulacysta |
Gonyaulacysta orthoceras
|
Arizona |
Late Cenomanian |
|
Gonyaulacysta |
Gonyaulacysta edwardsii
|
Arizona |
Late Cenomanian |
|
Palaeohystrichophora |
Palaeohystrichophora brevispinosa
|
Arizona |
Late Cenomanian |
|
Hystrichosphaera |
Hystrichosphaera cingulata
|
Arizona |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium ramuliferum
|
Arizona |
Late Cenomanian |
|
Scriniodinium |
Scriniodinium cooksoniae
|
Arizona |
Late Cenomanian |
|
Lejeunia |
Lejeunia cretacea
|
Arizona |
Late Cenomanian |
|
Micrhystridium |
Micrhystridium stellatum
sp. nov. |
Arizona |
Late Cenomanian |
|
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Arizona |
Late Cenomanian |
|
Deflandrea |
Deflandrea cooksoniae
|
Arizona |
Late Cenomanian |
|
Deflandrea |
Deflandrea granulifera
|
Arizona |
Late Cenomanian |
|
Deflandrea |
Deflandrea granulifera
|
Arizona |
Late Cenomanian |
|
Deflandrea |
Deflandrea suspecta
|
Arizona |
Late Cenomanian |
|
Trithyrodinium |
Trithyrodinium suspectum
|
Arizona |
Late Cenomanian |
|
Deflandrea |
Deflandrea pontis-mariae
|
Arizona |
Late Cenomanian |
|
Ascodinium |
Ascodinium verrucosum
|
Arizona |
Late Cenomanian |
|
Odontochitina |
Odontochitina striatoperforata
|
Arizona |
Late Cenomanian |
|