Cristatisporites |
Cristatisporites
|
Canada(Maritime Prov.) |
Westphalian |
|
Cristatisporites |
Cristatisporites
|
Illinois |
Pennsylvanian |
|
Cristatisporites |
Cristatisporites
|
Texas |
Pennsylvanian |
Permian |
Cristatisporites |
Cristatisporites
|
United Kingdom |
Westphalian |
|
Cristatisporites |
Cristatisporites elegans
|
W.Germany(Saarland) |
Westphalian |
|
Cristatisporites |
Cristatisporites indignabundus
|
W.Germany(N.Rhine) |
Westphalian |
|
Cristatisporites |
Cristatisporites indignabundus
|
France(Jura) |
Stephanian |
Permian |
Cristatisporites |
Cristatisporites saarensis
|
United Kingdom |
Westphalian C |
|
Cristatisporites |
Cristatisporites saarensis
|
W.Germany(Saarland) |
Westphalian |
|
Cristatisporites |
Cristatisporites solaris
|
United Kingdom |
Westphalian C |
|
Cristatisporites |
Cristatisporites solaris
|
France(Jura) |
Stephanian |
Permian |
Densosporites |
Densosporites
|
Poland |
Westphalian |
|
Densosporites |
Densosporites
|
Canada(Nova Scotia) |
Namurian |
|
Densosporites |
Densosporites
|
Spain |
Westphalian |
|
Densosporites |
Densosporites
|
Spain |
Stephanian B |
Stephanian C |
Densosporites |
Densosporites
|
Tennessee |
Pennsylvanian |
|
Densosporites |
Densosporites
|
Kentucky |
Late Visean |
Early Namurian |