Charlesdowniea |
Charlesdowniea rhomboidalis
|
China(Sinkiang Uighur) |
Middle Eocene |
|
Charlesdowniea |
Charlesdowniea wulagenensis
|
China(Sinkiang Uighur) |
Late Eocene |
|
Chatangiella |
Chatangiella granulifera
|
Nd |
Campanian |
|
Chatangiella |
Chatangiella vnigrii
|
Nd |
Campanian |
|
Chytroeisphaeridia |
Chytroeisphaeridia cariacoensis
|
Caribbean |
Quaternary |
|
Chytroeisphaeridia |
Chytroeisphaeridia dictydia
|
Greenland |
Bathonian |
Callovian |
Chytroeisphaeridia |
Chytroeisphaeridia hungarica
|
Nd |
Late Pannonian |
|
Cladopyxidium |
Cladopyxidium globosum
|
Nd |
Late Maastrichtian |
|
Cladopyxidium |
Cladopyxidium velatum
|
Nd |
Late Maastrichtian |
|
Cladopyxidium |
Cladopyxidium verrucosum
|
Nd |
Early Maastrichtian |
|
Cleistosphaeridium |
Cleistosphaeridium elegans
|
Nd |
Paleocene |
|
Cleistosphaeridium |
Cleistosphaeridium flexuosum
|
Nd |
Early Barremian |
|
Cleistosphaeridium |
Cleistosphaeridium furcillatum
|
Nd |
Hauterivian |
Early Barremian |
Cleistosphaeridium |
Cleistosphaeridium huguoniotii
|
England(Isle of Wight) |
Late Cenomanian |
|
Cleistosphaeridium |
Cleistosphaeridium multifurcillatum
|
Nd |
Early Hauterivian |
Late Barremian |
Cleistosphaeridium |
Cleistosphaeridium xinjiangense
sp. nov. |
Nd |
Paleocene |
|
Coronifera |
Coronifera oceanica
|
Nd |
Early Santonian |
|