Sphenophyllum |
Sphenophyllum verticillatum
|
Nd |
Nd |
|
Sphenophyllum |
Sphenophyllum waldenburgensis
|
Germany |
Westphalian A |
|
Sphenopteris |
Sphenopteris capitata
|
Nd |
Nd |
|
Sphenopteris |
Sphenopteris mixta
|
Nd |
Nd |
|
Sphenostrobus |
Sphenostrobus thompsonii
|
Iowa |
Late Westphalian C |
Early Westphalian D |
Sphyropteris |
Sphyropteris boehnischi
|
Nd |
Nd |
|
Sporangiostrobus |
Sporangiostrobus feistmanteli
|
Czechoslovakia |
Nd |
|
Sporangiostrobus |
Sporangiostrobus langfordi
|
Illinois |
Pennsylvanian |
|
Sporangiostrobus |
Sporangiostrobus orezeschensis
|
Nd |
Nd |
|
Sporangiostrobus |
Sporangiostrobus rugosus
|
Germany |
Late Carboniferous |
|
Sporangites |
Sporangites braziliensis
|
Scotland |
Middle Devonian |
|
Sporocarpon |
Sporocarpon furcatum
|
Ohio |
Late Devonian |
|
Sporogonites |
Sporogonites exuberans
|
Norway |
Devonian |
|
Stachyotaxus |
Stachyotaxus elegans
|
Greenland |
Rhaetian |
|
Stachyotaxus |
Stachyotaxus lipoldi
|
Austria |
Triassic |
|
Stachypteris |
Stachypteris hallei
|
England |
Middle Jurassic |
|
Stauropteris |
Stauropteris burntislandica
|
Nd |
Nd |
|