Ceratiopsis |
Ceratiopsis diebelii
|
Nd |
Maastrichtian |
|
Ceratiopsis |
Ceratiopsis granulostriata
|
Nd |
Nd |
|
Ceratiopsis |
Ceratiopsis wardenensis
|
Nd |
Nd |
|
Ceratium |
Ceratium hirundinella
|
Nd |
Nd |
|
Ceratocorys |
Ceratocorys
|
Nd |
Nd |
|
Chatangiella |
Chatangiella armata
|
Nd |
Nd |
|
Chatangiella |
Chatangiella coronata
|
Nd |
Late Campanian |
|
Chatangiella |
Chatangiella granulifera
|
Nd |
Santonian |
Maastrichtian |
Chatangiella |
Chatangiella madura
|
Nd |
Santonian |
Early Campanian |
Chatangiella |
Chatangiella scheii
|
Nd |
Santonian |
|
Chichaouadinium |
Chichaouadinium boydii
|
Australia(Queensland) |
Albian |
|
Chichaouadinium |
Chichaouadinium davidii
|
Australia(Queensland) |
Albian |
|
Chichaouadinium |
Chichaouadinium vestitum
|
Canada(Alberta) |
Albian |
|
Chonesphaera |
Chonesphaera
|
Nd |
Nd |
|
Deflandrea |
Deflandrea bakeri
|
Nd |
Nd |
|
Deflandrea |
Deflandrea belfastensis
|
Nd |
Nd |
|
Deflandrea |
Deflandrea conorata
|
Australia(Victoria) |
Early Paleocene |
Middle Paleocene |