Coronifera |
Coronifera minor
|
Arizona |
Cretaceous |
|
Coronifera |
Coronifera minor
|
Arizona |
Cretaceous |
|
Coronifera |
Coronifera oceanica
|
Arizona |
Late Cenomanian |
|
Coronifera |
Coronifera sp
|
Nd |
Nd |
|
Coronifera |
Coronifera striolata
|
Arizona |
Late Cenomanian |
Early Turonian |
Cyclonephelium |
Cyclonephelium compactum
|
Arizona |
Late Cenomanian |
Early Turonian |
Cyclonephelium |
Cyclonephelium distinctum
|
New Mexico |
Late Cenomanian |
Early Turonian |
Cyclonephelium |
Cyclonephelium distinctum
|
Utah |
Late Cenomanian |
Early Turonian |
Cyclonephelium |
Cyclonephelium distinctum
|
Arizona |
Late Cenomanian |
Early Turonian |
Cyclonephelium |
Cyclonephelium eisenackii
|
Nd |
Nd |
|
Cyclonephelium |
Cyclonephelium hystrix
|
Nd |
Nd |
|
Cyclonephelium |
Cyclonephelium membraniphorum
|
Arizona |
Late Cenomanian |
|
Cyclonephelium |
Cyclonephelium paucispinum
|
Arizona |
Late Cenomanian |
|
Cyclonephelium |
Cyclonephelium sp
|
Colorado |
Late Cenomanian |
Early Turonian |
Cyclonephelium |
Cyclonephelium sp
|
Utah |
Late Cenomanian |
Early Turonian |
Cyclonephelium |
Cyclonephelium sp
|
New Mexico |
Late Cenomanian |
Early Turonian |
Cyclonephelium |
Cyclonephelium sp
|
Nd |
Nd |
|