Auroraspora |
Auroraspora macra
|
Canada(Nova Scotia) |
Middle Visean |
Late Visean |
Auroraspora |
Auroraspora macra
|
Canada |
Tournaisian |
|
Auroraspora |
Auroraspora macra
|
Poland |
Tournaisian |
|
Auroraspora |
Auroraspora macra
|
USSR(European) |
Tournaisian |
|
Auroraspora |
Auroraspora macra
|
China(Kansu) |
Tournaisian |
|
Auroraspora |
Auroraspora macra
|
Australia |
Dinantian |
|
Cingulizonates |
Cingulizonates bialatus
|
Algeria |
Dinantian |
|
Cingulizonates |
Cingulizonates capistratus
|
United Kingdom |
Early Namurian |
|
Convolutispora |
Convolutispora major
|
Poland |
Tournaisian |
|
Convolutispora |
Convolutispora vermiformis
|
Spitsbergen |
Tournaisian |
|
Convolutispora |
Convolutispora vermiformis
|
Spitsbergen |
Early Dinantian |
|
Crassispora |
Crassispora kosankei
|
United Kingdom |
Early Namurian |
|
Crassispora |
Crassispora maculosa
|
China(Kansu) |
Visean |
|
Crassispora |
Crassispora trychera
|
Canada(Nova Scotia) |
Middle Visean |
Late Visean |
Densosporites |
Densosporites sp
|
Illinois |
Late Mississippian |
|
Densosporites |
Densosporites sp
|
Kentucky |
Late Mississippian |
|
Densosporites |
Densosporites spitsbergensis
|
Canada |
Tournaisian |
|