Densosporites |
Densosporites variomarginatus
|
Algeria |
Late Visean |
|
Densosporites |
Densosporites variomarginatus
|
Morocco |
Visean |
|
Densosporites |
Densosporites variomarginatus
|
Niger |
Visean |
|
Diatomozonotriletes |
Diatomozonotriletes hughesii
|
China(Kansu) |
Visean |
|
Diatomozonotriletes |
Diatomozonotriletes magnus
|
Romania |
Visean |
|
Diatomozonotriletes |
Diatomozonotriletes sp
|
United Kingdom |
Visean |
|
Diatomozonotriletes |
Diatomozonotriletes sp
|
Spitsbergen |
Visean |
Early Namurian |
Dictyotriletes |
Dictyotriletes fimbriatus
|
Spitsbergen |
Early Dinantian |
|
Discernisporites |
Discernisporites crenulatus
|
England |
Middle Tournaisian |
Late Tournaisian |
Florinites |
Florinites sp
|
United Kingdom |
Early Namurian |
|
Grandispora |
Grandispora sp
|
United Kingdom |
Late Holkerian |
Pendleian |
Grandispora |
Grandispora spinosa
|
Illinois |
Late Mississippian |
|
Grandispora |
Grandispora spinosa
|
Kentucky |
Late Mississippian |
|
Grandispora |
Grandispora spinosa
|
Canada(Nova Scotia) |
Visean |
Namurian |
Grandispora |
Grandispora spinosa
|
USSR(European) |
Late Visean |
|
Granulatisporites |
Granulatisporites frustulentus
|
China(Kansu) |
Visean |
|
Hymenozonotriletes |
Hymenozonotriletes explanatus
|
United Kingdom |
Early Courceyan |
|