Densosporites |
Densosporites duplicatus
|
Spitsbergen |
Visean |
Namurian A |
Densosporites |
Densosporites rarispinosus
sp. nov. |
Spitsbergen |
Visean |
Namurian A |
Densosporites |
Densosporites rarispinosus
|
Spitsbergen |
Visean |
Namurian A |
Densosporites |
Densosporites sp. Play.,1963
sp. nov. |
Spitsbergen |
Early Carboniferous |
|
Densosporites |
Densosporites spitsbergensis
sp. nov. |
Spitsbergen |
Early Carboniferous |
|
Densosporites |
Densosporites spitsbergensis
|
Spitsbergen |
Tournaisian |
Namurian A |
Densosporites |
Densosporites striatiferus
|
Spitsbergen |
Tournaisian |
|
Densosporites |
Densosporites subcrenatus
|
Spitsbergen |
Early Carboniferous |
|
Densosporites |
Densosporites variabilis
|
Spitsbergen |
Early Carboniferous |
|
Densosporites |
Densosporites variomarginatus
sp. nov. |
Spitsbergen |
Tournaisian |
|
Densosporites |
Densosporites variomarginatus
|
Spitsbergen |
Tournaisian |
|
Diatomozonotriletes |
Diatomozonotriletes
|
Canada(NWT,Mackenzie) |
Late Mississippian |
Namurian A |
Diatomozonotriletes |
Diatomozonotriletes cervicornutus
|
Spitsbergen |
Visean |
Namurian A |
Diatomozonotriletes |
Diatomozonotriletes cervicornutus
|
Spitsbergen |
Visean |
Namurian A |
Diatomozonotriletes |
Diatomozonotriletes cervicornutus
|
Canada(Alberta) |
Chesterian |
|
Diatomozonotriletes |
Diatomozonotriletes curiosus
|
Nd |
Nd |
|
Diatomozonotriletes |
Diatomozonotriletes hughesii
|
Spitsbergen |
Visean |
Namurian A |