Cantulodinium |
Cantulodinium speciosum
|
Nd |
Nd |
|
Carpatella |
Carpatella cornuta
|
Nd |
Nd |
|
Carpodinium |
Carpodinium granulatum
|
Nd |
Nd |
|
Carpodinium |
Carpodinium obliquicostatum
|
Nd |
Nd |
|
Cassiculosphaeridia |
Cassiculosphaeridia magna
|
Nd |
Nd |
|
Cassiculosphaeridia |
Cassiculosphaeridia reticulata
|
Nd |
Nd |
|
Cassidium |
Cassidium fragile
|
Nd |
Nd |
|
Cassidium |
Cassidium hexalobosum
|
Australia(W.Australia) |
Albian |
Cenomanian |
Cauca |
Cauca parva
|
Nd |
Nd |
|
Ceratiopsis |
Ceratiopsis prutensis
|
USSR(Ukrainian SSR) |
Early Eocene |
|
Ceratiopsis |
Ceratiopsis speciosa
|
China(Sinkiang Uighur) |
Late Paleocene |
|
Chatangiella |
Chatangiella armata
|
Nd |
Nd |
|
Chatangiella |
Chatangiella biapertura
|
Nd |
Nd |
|
Chatangiella |
Chatangiella bondarenkoi
|
Nd |
Nd |
|
Chatangiella |
Chatangiella campbellensis
|
Nd |
Nd |
|
Chatangiella |
Chatangiella chetiensis
|
Nd |
Nd |
|
Chatangiella |
Chatangiella coronata
|
Nd |
Nd |
|