Microdinium |
Microdinium ornatum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Odontochitina |
Odontochitina costata
|
Arizona |
Late Cenomanian |
Middle Turonian |
Odontochitina |
Odontochitina operculata
|
Arizona |
Late Cenomanian |
Middle Turonian |
Odontochitina |
Odontochitina silicorum
|
Arizona |
Late Cenomanian |
|
Odontochitina |
Odontochitina striatoperforata
|
Arizona |
Late Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Arizona |
Late Cenomanian |
Middle Turonian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Ovoidinium |
Ovoidinium verrucosum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Palaeohystrichophora |
Palaeohystrichophora brevispinosa
|
Arizona |
Late Cenomanian |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Arizona |
Late Cenomanian |
Middle Turonian |
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Arizona |
Late Cenomanian |
|
Palaeotetradinium |
Palaeotetradinium silicorum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Pterodinium |
Pterodinium aliferum
|
Arizona |
Late Cenomanian |
Middle Turonian |
Pterospermella |
Pterospermella aureolata
|
Arizona |
Late Cenomanian |
Middle Turonian |
Pterospermella |
Pterospermella australiensis
|
Arizona |
Late Cenomanian |
Middle Turonian |
Pterospermella |
Pterospermella eurypteris
|
Arizona |
Late Cenomanian |
Middle Turonian |
Pterospermella |
Pterospermella hartii
|
Arizona |
Late Cenomanian |
Middle Turonian |