Biorbifera |
Biorbifera johnewingii
|
Canada |
Berriasian |
|
Pareodinia |
Pareodinia dasyforma
|
Canada |
Valanginian |
|
Tubotuberella |
Tubotuberella apatela
|
Canada |
Hauterivian |
|
Gonyaulacysta |
Gonyaulacysta helicoidea
|
Canada |
Barremian |
|
Oligosphaeridium |
Oligosphaeridium totum
|
Canada |
Aptian |
|
Cicatricosisporites |
Cicatricosisporites angustus
|
Canada |
Albian |
|
Chlamydophorella |
Chlamydophorella nyei
|
Canada |
Albian |
|
Cyclonephelium |
Cyclonephelium vannophorum
|
Canada |
Cenomanian |
|
Chatangiella |
Chatangiella ditissima
|
Canada |
Santonian |
|
Chatangiella |
Chatangiella decorosa
|
Canada |
Campanian |
|
Ceratiopsis |
Ceratiopsis diebelii
|
Canada |
Maastrichtian |
|
Tubotuberella |
Tubotuberella apatela
|
Canada(Arctic) |
Hauterivian |
|
Gonyaulacysta |
Gonyaulacysta helicoidea
|
Canada(Arctic) |
Barremian |
|
Oligosphaeridium |
Oligosphaeridium totum
|
Canada(Arctic) |
Aptian |
|
Cicatricosisporites |
Cicatricosisporites angustus
|
Canada(Arctic) |
Albian |
|
Chlamydophorella |
Chlamydophorella nyei
|
Canada(Arctic) |
Albian |
|
Cyclonephelium |
Cyclonephelium vannophorum
|
Canada(Arctic) |
Cenomanian |
|