Cyclonephelium |
Cyclonephelium membraniphorum
|
Colorado |
Late Cenomanian |
|
Achomosphaera |
Achomosphaera ramulifera
|
Colorado |
Late Cenomanian |
|
Spiniferites |
Spiniferites cornutus
|
Colorado |
Late Cenomanian |
|
Spiniferites |
Spiniferites crassimuratus
|
Colorado |
Late Cenomanian |
|
Spiniferites |
Spiniferites multibrevis
|
Colorado |
Late Cenomanian |
|
Spiniferites |
Spiniferites ramosus
|
Colorado |
Late Cenomanian |
|
Odontochitina |
Odontochitina costata
|
Colorado |
Late Cenomanian |
|
Odontochitina |
Odontochitina operculata
|
Colorado |
Late Cenomanian |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Colorado |
Late Cenomanian |
|
Pterodinium |
Pterodinium cingulatum
|
Colorado |
Late Cenomanian |
|
Eurydinium |
Eurydinium saxoniense
|
Colorado |
Late Cenomanian |
|
Pervosphaeridium |
Pervosphaeridium truncigerum
|
Colorado |
Late Cenomanian |
|
Trichodinium |
Trichodinium castanea
|
Colorado |
Late Cenomanian |
|
Cyclonephelium |
Cyclonephelium brevispinatum
|
Colorado |
Late Cenomanian |
|
Circulodinium |
Circulodinium distinctum
|
Colorado |
Late Cenomanian |
|
Maghrebinia |
Maghrebinia membraniphora
|
Colorado |
Late Cenomanian |
|
Tenua |
Tenua hystrix
|
Colorado |
Late Cenomanian |
|