Cleistosphaeridium |
Cleistosphaeridium varispinosum
|
France |
Late Bathonian |
Early Callovian |
Comasphaeridium |
Comasphaeridium
|
Nd |
Nd |
|
Compositosphaeridium |
Compositosphaeridium
|
Nd |
Nd |
|
Compositosphaeridium |
Compositosphaeridium polonicum
|
England |
Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
France |
Callovian |
Early Oxfordian |
Conneximura |
Conneximura fimbriata
|
England |
Maestrichtian |
Paleocene |
Conosphaeridium |
Conosphaeridium striatoconum
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium cantharellus
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium fibrospinosum
|
England |
Early Maestrichtian |
Paleocene |
Cordosphaeridium |
Cordosphaeridium funiculatum
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium gracile
|
England |
Eocene |
|
Coronifera |
Coronifera oceanica
|
England |
Middle Hauterivian |
Maestrichtian |
Corrudinium |
Corrudinium incompositum
|
Canada(Eastern Offshore) |
Eocene |
|
Cousteaudinium |
Cousteaudinium aubryae
|
Nd |
Nd |
|
Craspedodinium |
Craspedodinium turonicum
|
Nd |
Nd |
|
Crassosphaera |
Crassosphaera
|
Nd |
Nd |
|