Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Canada(Alberta) |
Middle Santonian |
Late Santonian |
Pervosphaeridium |
Pervosphaeridium truncatum
|
Canada(Alberta) |
Middle Santonian |
Middle Campanian |
Micrhystridium |
Micrhystridium harlandii
|
Canada(Alberta) |
Middle Santonian |
Late Santonian |
Alterbidinium |
Alterbidinium minus
|
Canada(Alberta) |
Middle Santonian |
Campanian |
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Canada(Alberta) |
Middle Santonian |
Campanian |
Palaeoperidinium |
Palaeoperidinium parvum
|
Canada(Alberta) |
Campanian |
|
Cyclonephelium |
Cyclonephelium distinctum
|
Canada(Alberta) |
Middle Campanian |
|
Cleistosphaeridium |
Cleistosphaeridium armatum
|
Canada(Alberta) |
Middle Campanian |
|
Dinogymnium |
Dinogymnium euclaense
|
Canada(Alberta) |
Middle Campanian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Canada(Alberta) |
Middle Campanian |
|
Chatangiella |
Chatangiella hexacalpis
|
Canada(Alberta) |
Middle Campanian |
|
Ginginodinium |
Ginginodinium ornatum
|
Canada(Alberta) |
Middle Campanian |
|
Oligosphaeridium |
Oligosphaeridium anthophorum
|
Canada(Alberta) |
Middle Campanian |
|
Nummus |
Nummus similis
|
Canada(Alberta) |
Middle Campanian |
|
Cleistosphaeridium |
Cleistosphaeridium aciculare
|
Canada(Alberta) |
Middle Campanian |
|
Fromea |
Fromea chytra
|
Canada(Alberta) |
Middle Campanian |
|
Laciniadinium |
Laciniadinium biconiculum
|
Canada(Alberta) |
Campanian |
|