Compositosphaeridium |
Compositosphaeridium costatum
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium hirundo
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium truncigerum
|
Nd |
Nd |
|
Coronifera |
Coronifera monstruosa
|
Nd |
Nd |
|
Coronifera |
Coronifera striolata
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium diaphanum
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium edwardsii
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium exilicristatum
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium muderongense
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium orthoceras
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium pyrum
|
California |
Late Maastrichtian |
Danian |
Ctenidodinium |
Ctenidodinium ornatum
|
Nd |
Nd |
|
Ctenidodinium |
Ctenidodinium pachydermum
|
Nd |
Nd |
|
Ctenidodinium |
Ctenidodinium tenellum
|
Nd |
Nd |
|
Cyclonephelium |
Cyclonephelium compactum
|
Nd |
Nd |
|
Cymatiosphaera |
Cymatiosphaera membranacea
|
Nd |
Nd |
|
Dapsilidinium |
Dapsilidinium asperum
|
Nd |
Nd |
|