Emphanisporites |
Emphanisporites spinaeformis
|
Germany |
Late Emsian |
|
Emphanisporites |
Emphanisporites verrucatus
|
Germany |
Early Emsian |
|
Emphanizonosporites |
Emphanizonosporites radiatus
|
Germany |
Early Emsian |
|
Endosporites |
Endosporites
|
Germany |
Late Emsian |
|
Endosporites |
Endosporites micromanifestus
|
Belgium |
Early Givetian |
|
Foveosporites |
Foveosporites
|
Canada(NWT) |
Middle Frasnian |
|
Geminospora |
Geminospora
|
Iowa |
Givetian |
|
Geminospora |
Geminospora
|
Australia |
Frasnian |
|
Geminospora |
Geminospora
|
Australia(W.Australia) |
Frasnian |
|
Geminospora |
Geminospora
|
Canada(Arctic) |
Frasnian |
|
Geminospora |
Geminospora
|
Canada(NWT) |
Middle Frasnian |
|
Geminospora |
Geminospora
|
France(Pas-de-Calais) |
Frasnian |
|
Geminospora |
Geminospora antaxios
|
Canada(Arctic) |
Frasnian |
|
Geminospora |
Geminospora punctata
|
Canada(Arctic) |
Late Frasnian |
Early Famennian |
Geminospora |
Geminospora spinosa
|
Spitsbergen |
Emsian |
Eifelian |
Geminospora |
Geminospora spinosa
|
Spitsbergen |
Givetian |
|
Geminospora |
Geminospora svalbardiae
|
Spitsbergen |
Emsian |
|