Cleistosphaeridium |
Cleistosphaeridium araneosum
sp. nov. |
Canada(NWT,Mackenzie) |
Hauterivian |
Middle Albian |
Cleistosphaeridium |
Cleistosphaeridium multispinosum
|
Canada(NWT,Mackenzie) |
Barremian |
Albian |
Cleistosphaeridium |
Cleistosphaeridium polypes
|
Canada(NWT,Mackenzie) |
Barremian |
Aptian |
Cleistosphaeridium |
Cleistosphaeridium polypes
|
Canada(NWT,Mackenzie) |
Aptian |
Early Albian |
Cleistosphaeridium |
Cleistosphaeridium sp.A
sp. nov. |
Canada(NWT,Mackenzie) |
Hauterivian |
Middle Albian |
Cleistosphaeridium |
Cleistosphaeridium sp.AE Brid.& McIn.,1975
sp. nov. |
Canada(NWT,Mackenzie) |
Hauterivian |
Middle Albian |
Cleistosphaeridium |
Cleistosphaeridium sp.BE Brid.,1977
sp. nov. |
Canada(NWT,Mackenzie) |
Hauterivian |
|
Conosphaeridium |
Conosphaeridium sp.B
sp. nov. |
Canada(NWT,Mackenzie) |
Barremian |
|
Cordosphaeridium |
Cordosphaeridium eoinodes
|
Canada(NWT,Mackenzie) |
Hauterivian |
Barremian |
Coronifera |
Coronifera oceanica
|
Canada(NWT,Mackenzie) |
Hauterivian |
Barremian |
Cribroperidinium |
Cribroperidinium muderongense
|
Canada(NWT,Mackenzie) |
Barremian |
|
Cribroperidinium |
Cribroperidinium orthoceras
|
Canada(NWT,Mackenzie) |
Barremian |
Aptian |
Cyclonephelium |
Cyclonephelium compactum
|
Canada(NWT,Mackenzie) |
Barremian |
|
Cyclonephelium |
Cyclonephelium distinctum
|
Canada(NWT,Mackenzie) |
Hauterivian |
Albian |
Dictyopyxidia |
Dictyopyxidia imperfecta
|
Canada(NWT,Mackenzie) |
Hauterivian |
Aptian |
Dimidiadinium |
Dimidiadinium
|
France(Normandie) |
Early Oxfordian |
|
Dimidiadinium |
Dimidiadinium dangeardii
|
Canada(NWT,Mackenzie) |
Early Jurassic |
Early Cretaceous |