Ruehleostachys |
Ruehleostachys pseudarticulatus
|
Germany |
Triassic |
|
Ruffordia |
Ruffordia goeppertii
|
England |
Cretaceous |
|
Ruffordia |
Ruffordia goeppertii
|
Russia(European) |
Cretaceous |
|
Ruffordiaspora |
Ruffordiaspora
|
Nd |
Nd |
|
Rugapites |
Rugapites
|
Nd |
Nd |
|
Rugaspermum |
Rugaspermum sp
|
India |
Permian |
Triassic |
Rugatheca |
Rugatheca
|
Nd |
Nd |
|
Rugatheca |
Rugatheca nidpurensis
|
India |
Permian |
Triassic |
Saarotheca |
Saarotheca
|
Nd |
Nd |
|
Saarotheca |
Saarotheca sphenopteroides
|
Germany |
Carboniferous |
|
Sagenopteris |
Sagenopteris
|
Nd |
Nd |
|
Sahnia |
Sahnia laxifolia
|
Australia |
Cretaceous |
|
Sahnia |
Sahnia laxiphora
|
Nd |
Nd |
|
Sahnia |
Sahnia nipaniensis
|
India |
Jurassic |
Cretaceous |
Sahnia |
Sahnia sp
|
Australia |
Cretaceous |
|
Salpingocarpus |
Salpingocarpus
|
USSR |
Permian |
|
Salpingocarpus |
Salpingocarpus sp
|
Russia(European) |
Permian |
|