Cernicysta |
Cernicysta helbyi
|
Nd |
Nd |
|
Chatangiella |
Chatangiella williamsii
|
W.Germany(Rhineland) |
Santonian |
|
Chichaouadinium |
Chichaouadinium
|
Nd |
Nd |
|
Chichaouadinium |
Chichaouadinium arabicum
|
Nd |
Nd |
|
Chichaouadinium |
Chichaouadinium arabicum
|
Morocco |
Albian |
|
Chytroeisphaeridia |
Chytroeisphaeridia pocockii
|
Nd |
Nd |
|
Chytroeisphaeridia |
Chytroeisphaeridia simplicia
|
Nd |
Nd |
|
Ciliosphaeridium |
Ciliosphaeridium
|
Nd |
Nd |
|
Ciliosphaeridium |
Ciliosphaeridium cingulatum
|
Nd |
Nd |
|
Cladopyxidium |
Cladopyxidium
|
Nd |
Nd |
|
Cladopyxidium |
Cladopyxidium septatum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
W.Germany(Rhineland) |
Santonian |
|
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
France(Paris Basin) |
Cretaceous |
|
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium perforoconum
|
W.Germany(Rhineland) |
Santonian |
|
Cleistosphaeridium |
Cleistosphaeridium solidum
|
W.Germany(Rhineland) |
Santonian |
|