Callialasporites |
Callialasporites trilobatus
|
Wyoming |
Callovian |
Oxfordian |
Canalopollis |
Canalopollis maturus
|
South Dakota |
Callovian |
Oxfordian |
Canalopollis |
Canalopollis maturus
|
Wyoming |
Callovian |
Oxfordian |
Ceratosporites |
Ceratosporites spiniferus
sp. nov. |
South Dakota |
Callovian |
Oxfordian |
Ceratosporites |
Ceratosporites spiniferus
sp. nov. |
Wyoming |
Callovian |
Oxfordian |
Cibotiidites |
Cibotiidites foveoreticulatus
sp. nov. |
South Dakota |
Callovian |
Oxfordian |
Cibotiidites |
Cibotiidites foveoreticulatus
sp. nov. |
Wyoming |
Callovian |
Oxfordian |
Cibotiumspora |
Cibotiumspora punctata
sp. nov. |
South Dakota |
Callovian |
Oxfordian |
Cibotiumspora |
Cibotiumspora punctata
sp. nov. |
Wyoming |
Callovian |
Oxfordian |
Cibotiumspora |
Cibotiumspora undula
sp. nov. |
South Dakota |
Callovian |
Oxfordian |
Cibotiumspora |
Cibotiumspora undula
sp. nov. |
Wyoming |
Callovian |
Oxfordian |
Cingulatisporites |
Cingulatisporites problematicus
|
South Dakota |
Callovian |
Oxfordian |
Cingulatisporites |
Cingulatisporites problematicus
|
Wyoming |
Callovian |
Oxfordian |
Cingulatisporites |
Cingulatisporites undulatus
sp. nov. |
South Dakota |
Callovian |
Oxfordian |
Cingulatisporites |
Cingulatisporites undulatus
sp. nov. |
Wyoming |
Callovian |
Oxfordian |
Cingulatisporites |
Cingulatisporites valdensis
|
South Dakota |
Callovian |
Oxfordian |
Cingulatisporites |
Cingulatisporites valdensis
|
Wyoming |
Callovian |
Oxfordian |