Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
France |
Senonian |
|
Canningia |
Canningia crassicingulata
|
Australia(Queensland) |
Valanginian |
|
Cannosphaeropsis |
Cannosphaeropsis apiculata
|
New Guinea(Papua) |
Neocomian |
|
Cerebrocysta |
Cerebrocysta bartonensis
|
England(Isle of Wight) |
Late Eocene |
|
Chiropteridium |
Chiropteridium aspinatum
|
Germany |
Middle Oligocene |
|
Ciliosphaeridium |
Ciliosphaeridium cingulatum
|
USSR(Moldavian SSR) |
Danian |
|
Cladopyxidium |
Cladopyxidium septocrispum
|
Belgium |
Late Maestrichtian |
|
Cladopyxidium |
Cladopyxidium svalbardense
|
Spitsbergen |
Toarcian |
|
Cladopyxidium |
Cladopyxidium velatum
|
Belgium |
Late Maestrichtian |
|
Cladopyxis |
Cladopyxis svalbardensis
|
Spitsbergen |
Toarcian |
|
Cleistosphaeridium |
Cleistosphaeridium actinocoronatum
|
W.Germany(N.Rhine) |
Middle Oligocene |
Late Oligocene |
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
France(Paris Basin) |
Cretaceous |
|
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
Nd |
Nd |
|
Cordosphaeridium |
Cordosphaeridium bipolare
|
Australia(Victoria) |
Paleocene |
|
Cordosphaeridium |
Cordosphaeridium cantharellus
|
W.Germany(Hesse) |
Late Oligocene |
|
Cribroperidinium |
Cribroperidinium fetchamense
|
England(Surrey) |
Cenomanian |
|