Astrocysta |
Astrocysta cretacea
|
Wyoming |
Albian |
Coniacian |
Australiella |
Australiella cooksoniae
|
Wyoming |
Cenomanian |
Coniacian |
Australiella |
Australiella spectabilis
|
Wyoming |
Turonian |
Campanian |
Australiella |
Australiella verrucosa
|
Wyoming |
Late Coniacian |
Campanian |
Australiella |
Australiella victoriensis
|
Wyoming |
Turonian |
Campanian |
Broomea |
Broomea sp
|
Wyoming |
Albian |
|
Canningia |
Canningia colliveri
|
Wyoming |
Albian |
Early Cenomanian |
Chiropteridium |
Chiropteridium sp
|
Wyoming |
Turonian |
Coniacian |
Cleistosphaeridium |
Cleistosphaeridium polypes
|
Wyoming |
Cenomanian |
Coniacian |
Coronifera |
Coronifera sp
|
Wyoming |
Cenomanian |
|
Cribroperidinium |
Cribroperidinium orthoceras
|
Wyoming |
Late Albian |
Early Cenomanian |
Cyclonephelium |
Cyclonephelium distinctum
|
Wyoming |
Cenomanian |
|
Deflandrea |
Deflandrea acuminata
|
Wyoming |
Early Santonian |
Campanian |
Deflandrea |
Deflandrea cooksoniae
|
Wyoming |
Cenomanian |
Coniacian |
Deflandrea |
Deflandrea denticulata
|
Wyoming |
Campanian |
|
Deflandrea |
Deflandrea echinoidea
|
Wyoming |
Coniacian |
Campanian |
Deflandrea |
Deflandrea limpida
|
Wyoming |
Albian |
Early Cenomanian |