Biharisporites |
Biharisporites parviornatus
|
Scotland |
Givetian |
|
Biharisporites |
Biharisporites parviornatus
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |
Biharisporites |
Biharisporites spitsbergensis
|
Spitsbergen |
Frasnian |
|
Brochotriletes |
Brochotriletes
|
Canada(Quebec) |
Late Gedinnian |
|
Brochotriletes |
Brochotriletes
|
Canada(Ontario) |
Eifelian |
|
Bullatisporites |
Bullatisporites bullatus
|
Spitsbergen |
Emsian |
|
Calamospora |
Calamospora nigrata
|
Spitsbergen |
Late Downtonian |
Dittonian |
Calyptosporites |
Calyptosporites
|
Germany |
Late Emsian |
|
Calyptosporites |
Calyptosporites microspinosus
|
Scotland |
Late Eifelian |
|
Calyptosporites |
Calyptosporites optivus
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |
Calyptosporites |
Calyptosporites proteus
|
Germany |
Late Emsian |
|
Calyptosporites |
Calyptosporites proteus
|
|
Frasnian |
|
Calyptosporites |
Calyptosporites proteus
|
W.Germany |
Eifelian |
|
Calyptosporites |
Calyptosporites velatus
|
Canada |
Late Emsian |
|
Calyptosporites |
Calyptosporites velatus
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |
Calyptosporites |
Calyptosporites velatus
|
W.Germany |
Eifelian |
|
Calyptosporites |
Calyptosporites velatus
|
Canada(Ontario) |
Givetian |
|