Geminospora |
Geminospora svalbardiae
|
Spitsbergen |
Emsian |
Eifelian |
Geminospora |
Geminospora svalbardiae
|
Spitsbergen |
Givetian |
|
Geminospora |
Geminospora svalbardiae
|
Spitsbergen |
Frasnian |
|
Geminospora |
Geminospora tuberculata
|
Spitsbergen |
Givetian |
|
Geminospora |
Geminospora tuberculata
|
|
Givetian |
|
Geminospora |
Geminospora tuberculata
|
|
Frasnian |
|
Grandispora |
Grandispora diamphida
|
Spitsbergen |
Emsian |
|
Grandispora |
Grandispora diamphida
|
W.Germany |
Eifelian |
|
Grandispora |
Grandispora inculta
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |
Granulatisporites |
Granulatisporites
|
Germany |
Early Emsian |
|
Granulatisporites |
Granulatisporites frustulentus
|
Germany |
Early Emsian |
|
Granulatisporites |
Granulatisporites muninensis
|
Spitsbergen |
Late Downtonian |
Dittonian |
Granulatisporites |
Granulatisporites muninensis
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |
Hymenozonotriletes |
Hymenozonotriletes
|
Germany |
Late Emsian |
|
Hymenozonotriletes |
Hymenozonotriletes albus
|
Canada(Ontario) |
Givetian |
|
Hymenozonotriletes |
Hymenozonotriletes argutus
|
Germany |
Late Emsian |
|
Hymenozonotriletes |
Hymenozonotriletes argutus
|
Canada(Arctic) |
Givetian |
|