Polypodiaceae |
Polypodiaceae
|
USSR(European) |
Kazanian |
|
Danaea |
Danaea
|
USSR(European) |
Kazanian |
|
Angiopteris |
Angiopteris
|
USSR(European) |
Kazanian |
|
Hymenophyllum |
Hymenophyllum
|
USSR(European) |
Kazanian |
|
Selaginella |
Selaginella
|
USSR(European) |
Tatarian |
|
Cyathea |
Cyathea
|
USSR(European) |
Tatarian |
|
Zonaletes |
Zonaletes rotatus
|
USSR(Siberia) |
Early Permian |
|
Zonaletes |
Zonaletes uralensis
|
USSR(Siberia) |
Early Permian |
|
Zonaletes |
Zonaletes rugulifer
|
USSR(Siberia) |
Early Permian |
|
Azonaletes |
Azonaletes retroflexus
|
USSR(Siberia) |
Early Permian |
Late Permian |
Azonaletes |
Azonaletes caperatus
|
USSR(Siberia) |
Early Permian |
Late Permian |
Azonotriletes |
Azonotriletes microrugosus
|
USSR(Siberia) |
Early Permian |
|
Zonotriletes |
Zonotriletes psilopterus
|
USSR(Siberia) |
Early Permian |
Late Permian |
Azonotriletes |
Azonotriletes abruptus
|
USSR(Siberia) |
Late Permian |
|
Azonotriletes |
Azonotriletes grandispinosus
|
USSR(Siberia) |
Late Permian |
|
Azonotriletes |
Azonotriletes papillarius
|
USSR(Siberia) |
Late Permian |
|
Azonotriletes |
Azonotriletes adspersus
|
USSR(Siberia) |
Late Permian |
|