Alisogymnium |
Alisogymnium euclaense
|
Canada(Arctic) |
Early Campanian |
|
Alterbidinium |
Alterbidinium minus
|
Canada(Arctic) |
Early Campanian |
|
Chatangiella |
Chatangiella biapertura
|
Canada(Arctic) |
Late Campanian |
Early Maestrichtian |
Chatangiella |
Chatangiella decorosa
|
Canada(Arctic) |
Early Campanian |
|
Chatangiella |
Chatangiella ditissima
|
Canada(Arctic) |
Early Campanian |
Middle Campanian |
Chatangiella |
Chatangiella granulifera
|
Canada(Arctic) |
Early Campanian |
Middle Campanian |
Chatangiella |
Chatangiella hexacalpis
|
Canada(Arctic) |
Early Campanian |
|
Chatangiella |
Chatangiella spectabilis
|
Canada(Arctic) |
Early Campanian |
Middle Campanian |
Chlamydophorella |
Chlamydophorella discreta
|
Canada(Arctic) |
Early Campanian |
Middle Campanian |
Chlamydophorella |
Chlamydophorella nyei
|
Canada(Arctic) |
Early Campanian |
Middle Campanian |
Dinogymnium |
Dinogymnium sibiricum
|
Canada(Arctic) |
Early Campanian |
|
Dorocysta |
Dorocysta litotes
|
Canada(Arctic) |
Early Campanian |
|
Endoscrinium |
Endoscrinium campanula
|
Canada(Arctic) |
Early Campanian |
Middle Campanian |
Fromea |
Fromea chytra
|
Canada(Arctic) |
Early Campanian |
|
Fromea |
Fromea fragilis
|
Canada(Arctic) |
Late Campanian |
Early Maestrichtian |
Heterosphaeridium |
Heterosphaeridium difficile
|
Canada(Arctic) |
Early Campanian |
Middle Campanian |
Isabelidinium |
Isabelidinium acuminatum
|
Canada(Arctic) |
Early Campanian |
Middle Campanian |