Odontochitina |
Odontochitina operculata
|
Oklahoma |
Middle Albian |
|
Oligosphaeridium |
Oligosphaeridium albertense
|
Oklahoma |
Middle Albian |
|
Oligosphaeridium |
Oligosphaeridium anthophorum
|
Oklahoma |
Middle Albian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Oklahoma |
Middle Albian |
|
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Oklahoma |
Middle Albian |
|
Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
Oklahoma |
Middle Albian |
|
Spinidinium |
Spinidinium vestitum
|
Oklahoma |
Middle Albian |
|
Spiniferites |
Spiniferites multibrevis
|
Oklahoma |
Middle Albian |
|
Subtilisphaera |
Subtilisphaera sp
sp. nov. |
Oklahoma |
Middle Albian |
|
Trichodinium |
Trichodinium sp
sp. nov. |
Oklahoma |
Middle Albian |
|
Xenascus |
Xenascus plotei
|
Oklahoma |
Middle Albian |
|