Cirrifera |
Cirrifera unilateralis
|
Australia(W.Australia) |
Late Albian |
|
Cleistosphaeridium |
Cleistosphaeridium aciculare
|
Canada(Saskatchewan) |
Albian |
Cenomanian |
Cleistosphaeridium |
Cleistosphaeridium ancoriferum
|
Australia |
Albian |
Cenomanian |
Cleistosphaeridium |
Cleistosphaeridium ancoriferum
|
England |
Albian |
Cenomanian |
Cleistosphaeridium |
Cleistosphaeridium armatum
|
France |
Cenomanian |
|
Cleistosphaeridium |
Cleistosphaeridium armatum
|
England |
Cenomanian |
|
Cleistosphaeridium |
Cleistosphaeridium armatum
|
Texas |
Cenomanian |
|
Cleistosphaeridium |
Cleistosphaeridium disjunctum
|
England(Isle of Wight) |
Eocene |
|
Cleistosphaeridium |
Cleistosphaeridium disjunctum
|
England |
Eocene |
|
Cleistosphaeridium |
Cleistosphaeridium diversispinosum
|
England(Isle of Wight) |
Eocene |
|
Cleistosphaeridium |
Cleistosphaeridium diversispinosum
|
England |
Eocene |
|
Cleistosphaeridium |
Cleistosphaeridium diversispinosum
|
England(Kent) |
Eocene |
|
Cleistosphaeridium |
Cleistosphaeridium flexuosum
|
England |
Cenomanian |
|
Cleistosphaeridium |
Cleistosphaeridium heteracanthum
|
Australia(W.Australia) |
Senonian |
|
Cleistosphaeridium |
Cleistosphaeridium huguoniotii
|
France |
Cretaceous |
|
Cleistosphaeridium |
Cleistosphaeridium huguoniotii
|
France |
Late Cenomanian |
|
Cleistosphaeridium |
Cleistosphaeridium huguoniotii
|
England(Surrey) |
Late Cenomanian |
|