Hystrichosphaeridium |
Hystrichosphaeridium eccentrum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium ferox
|
Arizona |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium huguoniotii
|
Arizona |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium pulcherrimum
|
Arizona |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium ramuliferum
|
Arizona |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium siphoniphorum
|
Arizona |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium stellatum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Leiofusa |
Leiofusa jurassica
|
Arizona |
Late Cenomanian |
Middle Turonian |
Lejeunia |
Lejeunia cretacea
|
Arizona |
Late Cenomanian |
|
Leptodinium |
Leptodinium dispertitum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Litosphaeridium |
Litosphaeridium siphoniphorum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Metaleiofusa |
Metaleiofusa grandis
|
Arizona |
Late Cenomanian |
Middle Turonian |
Micrhystridium |
Micrhystridium inconspicuum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Micrhystridium |
Micrhystridium minutispinum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Micrhystridium |
Micrhystridium stellatum
sp. nov. |
Arizona |
Late Cenomanian |
Middle Turonian |
Micrhystridium |
Micrhystridium stellatum
sp. nov. |
Arizona |
Late Cenomanian |
|