Astrocysta |
Astrocysta cretacea
|
Arizona |
Late Cenomanian |
Middle Turonian |
Australiella |
Australiella cooksoniae
|
Arizona |
Late Cenomanian |
Middle Turonian |
Australiella |
Australiella granulifera
|
Arizona |
Late Cenomanian |
Middle Turonian |
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Arizona |
Late Cenomanian |
Middle Turonian |
Hexagonifera |
Hexagonifera suspecta
|
Arizona |
Late Cenomanian |
Middle Turonian |
Hexagonifera |
Hexagonifera sp
|
Arizona |
Late Cenomanian |
Middle Turonian |
Ascodinium |
Ascodinium pontis-mariae
|
Arizona |
Late Cenomanian |
Middle Turonian |
Ovoidinium |
Ovoidinium verrucosum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Odontochitina |
Odontochitina costata
|
Arizona |
Late Cenomanian |
Middle Turonian |
Odontochitina |
Odontochitina operculata
|
Arizona |
Late Cenomanian |
Middle Turonian |
Xenascus |
Xenascus ceratioides
|
Arizona |
Late Cenomanian |
Middle Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium eccentrum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium stellatum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Hystrichokolpoma |
Hystrichokolpoma ferox
|
Arizona |
Late Cenomanian |
Middle Turonian |
Litosphaeridium |
Litosphaeridium siphoniphorum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Oligosphaeridium |
Oligosphaeridium complex
|
Arizona |
Late Cenomanian |
Middle Turonian |