Sphyropteris |
Sphyropteris sp
|
Germany |
Carboniferous |
|
Spirapollis |
Spirapollis
|
Nd |
Nd |
|
Spirapollis |
Spirapollis assamensis
|
India |
Eocene |
|
Sporangiostrobus |
Sporangiostrobus feistmanteli
|
Netherlands |
Carboniferous |
|
Sporangiostrobus |
Sporangiostrobus feistmanteli
|
Netherlands |
Carboniferous |
|
Sporangiostrobus |
Sporangiostrobus kansanensis
|
USA |
Carboniferous |
|
Sporangiostrobus |
Sporangiostrobus langfordi
|
USA |
Carboniferous |
|
Sporangiostrobus |
Sporangiostrobus ohioensis
|
USA |
Carboniferous |
|
Sporangiostrobus |
Sporangiostrobus orezeschensis
|
Germany |
Carboniferous |
|
Sporangiostrobus |
Sporangiostrobus rugosus
|
Germany |
Carboniferous |
|
Sporocarpon |
Sporocarpon furcatum
|
USA |
Devonian |
|
Sporogonites |
Sporogonites
|
Nd |
Nd |
|
Sporogonites |
Sporogonites exuberans
|
Norway |
Devonian |
|
Squamostrobus |
Squamostrobus tigrensis
|
Argentina |
Cretaceous |
|
Stachannularia |
Stachannularia calathifera
|
Germany |
Carboniferous |
|
Stachannularia |
Stachannularia thuringiaca
|
Germany |
Carboniferous |
|
Stachyophyton |
Stachyophyton yunnanense
|
China |
Devonian |
|