Achomosphaera |
Achomosphaera ramulifera
|
Colorado |
Late Cenomanian |
Early Turonian |
Achomosphaera |
Achomosphaera sagena
|
Colorado |
Late Cenomanian |
Early Turonian |
Achomosphaera |
Achomosphaera triangulata
|
Colorado |
Late Cenomanian |
Early Turonian |
Apteodinium |
Apteodinium granulatum
|
Colorado |
Early Turonian |
|
Batiacasphaera |
Batiacasphaera sp
|
Colorado |
Late Cenomanian |
|
Canningia |
Canningia sp
|
Colorado |
Late Cenomanian |
|
Cannosphaeropsis |
Cannosphaeropsis sp
|
Colorado |
Late Cenomanian |
|
Cassiculosphaeridia |
Cassiculosphaeridia reticulata
|
Colorado |
Late Cenomanian |
|
Circulodinium |
Circulodinium distinctum
|
Colorado |
Late Cenomanian |
Early Turonian |
Cleistosphaeridium |
Cleistosphaeridium ancoriferum
|
Colorado |
Late Cenomanian |
|
Cleistosphaeridium |
Cleistosphaeridium huguoniotii
|
Colorado |
Late Cenomanian |
|
Cleistosphaeridium |
Cleistosphaeridium multispinosum
|
Colorado |
Late Cenomanian |
Early Turonian |
Codoniella |
Codoniella campanulata
|
Colorado |
Late Cenomanian |
|
Codoniella |
Codoniella psygma
|
Colorado |
Late Cenomanian |
|
Cometodinium |
Cometodinium obscurum
|
Colorado |
Late Cenomanian |
Early Turonian |
Coronifera |
Coronifera oceanica
|
Colorado |
Late Cenomanian |
|
Cyclonephelium |
Cyclonephelium brevispinatum
|
Colorado |
Late Cenomanian |
Early Turonian |