Cladopyxidium |
Cladopyxidium svalbardense
|
Spitsbergen |
Toarcian |
|
Cladopyxis |
Cladopyxis svalbardensis
|
Spitsbergen |
Toarcian |
|
Collumosphaera |
Collumosphaera
|
Nd |
Nd |
|
Comparodinium |
Comparodinium diacrorhaetium
|
England(Nottinghamshire) |
Rhaetian |
Hettangian |
Compositosphaeridium |
Compositosphaeridium
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium fibrospinosum
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium hirundo
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium lemniscatum
|
Italy |
Late Cretaceous |
Paleocene |
Coronifera |
Coronifera oceanica
|
Nd |
Nd |
|
Coronifera |
Coronifera oceanica
|
Nd |
Nd |
|
Coronifera |
Coronifera oceanica
|
Nd |
Nd |
|
Coronifera |
Coronifera pedata
|
Nd |
Nd |
|
Coronifera |
Coronifera pedata
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium aequum
|
China(Sinkiang Uighur) |
Cenomanian |
Turonian |
Cribroperidinium |
Cribroperidinium ehrenbergii
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium giuseppei
|
Nd |
Nd |
|
Cribroperidinium |
Cribroperidinium perforans
|
Nd |
Nd |
|