Asperispora |
Asperispora exiguus
|
Canada(Alberta) |
Chesterian |
|
Auroraspora |
Auroraspora speciosus
|
France(Pas-de-Calais) |
Late Frasnian |
|
Auroraspora |
Auroraspora speciosus
|
USSR(Russian Platform) |
Frasnian |
|
Azonotriletes |
Azonotriletes desermas
|
France(Pas-de-Calais) |
Early Frasnian |
|
Azonotriletes |
Azonotriletes desermas
|
USSR(Russian Platform) |
Early Carboniferous |
|
Azonotriletes |
Azonotriletes tuberculatus
|
France(Pas-de-Calais) |
Middle Frasnian |
|
Calamospora |
Calamospora nigrata
|
France(Pas-de-Calais) |
Gedinnian |
Givetian |
Calyptosporites |
Calyptosporites indolatus
|
France(Pas-de-Calais) |
Early Frasnian |
|
Cincturasporites |
Cincturasporites densdraconis
|
France(Pas-de-Calais) |
Late Frasnian |
|
Cincturasporites |
Cincturasporites densdraconis
|
France(Boulonnais) |
Late Frasnian |
|
Cirratriradites |
Cirratriradites jekhowskyi
|
France(Pas-de-Calais) |
Early Frasnian |
|
Cirratriradites |
Cirratriradites trivialis
|
France(Pas-de-Calais) |
Middle Frasnian |
|
Clivosispora |
Clivosispora tuberculata
|
France(Pas-de-Calais) |
Middle Frasnian |
|
Clivosispora |
Clivosispora tuberculata
|
France(Vendee) |
Emsian |
|
Convolutispora |
Convolutispora fromensis
|
France(Pas-de-Calais) |
Early Frasnian |
Middle Frasnian |
Convolutispora |
Convolutispora reticulata
sp. nov. |
France(Pas-de-Calais) |
Middle Frasnian |
|
Convolutispora |
Convolutispora tuberculata
|
France(Pas-de-Calais) |
Middle Frasnian |
|