Spinidinium |
Spinidinium microceratum
|
Oklahoma |
Campanian |
|
Spinidinium |
Spinidinium styloniferum
|
Oklahoma |
Campanian |
|
Spinidinium |
Spinidinium sp
|
Oklahoma |
Campanian |
|
Microdinium |
Microdinium ornatum
|
Oklahoma |
Campanian |
|
Gymnodinium |
Gymnodinium nelsonense
|
Oklahoma |
Campanian |
|
Gymnodinium |
Gymnodinium cretaceum
|
Oklahoma |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
Oklahoma |
Campanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium radiculatum
|
Oklahoma |
Campanian |
|
Adnatosphaeridium |
Adnatosphaeridium sp
|
Oklahoma |
Campanian |
|
Cyclonephelium |
Cyclonephelium pastielsii
|
Oklahoma |
Campanian |
|
Cyclonephelium |
Cyclonephelium densebarbatum
|
Oklahoma |
Campanian |
|
Hystrichosphaera |
Hystrichosphaera ramosa
|
Oklahoma |
Campanian |
|
Deflandrea |
Deflandrea cincta
|
Oklahoma |
Campanian |
|
Deflandrea |
Deflandrea micracantha
|
Oklahoma |
Campanian |
|
Deflandrea |
Deflandrea serratula
|
Oklahoma |
Campanian |
|
Deflandrea |
Deflandrea pannucea
|
Oklahoma |
Campanian |
|
Odontochitina |
Odontochitina silicorum
|
Oklahoma |
Campanian |
|