Archaeozonotriletes |
Archaeozonotriletes venustus
|
Canada(Arctic) |
Middle Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes venustus
|
USSR(Russian Platform) |
Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes vorobjensis
|
Canada(Arctic) |
Givetian |
|
Asperispora |
Asperispora naumovae
|
Canada(Arctic) |
Givetian |
|
Asperispora |
Asperispora naumovae
|
Canada(NWT) |
Givetian |
|
Auroraspora |
Auroraspora micromanifestus
|
Canada(Arctic) |
Eifelian |
|
Azonomonoletes |
Azonomonoletes usitatus
|
Canada(Arctic) |
Givetian |
|
Baculatisporites |
Baculatisporites semilucensis
|
Canada(Arctic) |
Eifelian |
Middle Givetian |
Baculatisporites |
Baculatisporites semilucensis
|
USSR(Russian Platform) |
Frasnian |
|
Calamospora |
Calamospora atava
|
Canada(Arctic) |
Eifelian |
Middle Givetian |
Calyptosporites |
Calyptosporites argutus
|
Canada(Arctic) |
Eifelian |
Givetian |
Calyptosporites |
Calyptosporites proteus
|
Canada(Arctic) |
Eifelian |
Givetian |
Calyptosporites |
Calyptosporites proteus
|
Canada(Arctic) |
Eifelian |
Givetian |
Calyptosporites |
Calyptosporites spinosus
|
Canada(Arctic) |
Givetian |
|
Camarozonotriletes |
Camarozonotriletes antiquus
|
Canada(Arctic) |
Eifelian |
Middle Givetian |
Camarozonotriletes |
Camarozonotriletes breviculus
|
Canada(Arctic) |
Eifelian |
Givetian |
Camarozonotriletes |
Camarozonotriletes breviculus
|
Canada(Arctic) |
Eifelian |
Givetian |