Gleichenia |
Gleichenia glabriniformis
|
USSR(Kazakh SSR) |
Late Jurassic |
Oligocene |
Gleichenia |
Gleichenia glabriniformis
|
USSR(Pre-Urals) |
Aptian |
|
Gleichenia |
Gleichenia glabriniformis
|
USSR(WSL) |
Aptian |
Oligocene |
Gleichenia |
Gleichenia glabriniformis
|
W.Germany |
Middle Senonian |
Early Tertiary |
Gleichenia |
Gleichenia glabriniformis
|
USSR(Russian Platform) |
Late Jurassic |
Oligocene |
Gleichenia |
Gleichenia media
|
USSR(Russian Platform) |
Late Jurassic |
Oligocene |
Gleichenia |
Gleichenia media
|
USSR(Ukrainian SSR) |
Late Jurassic |
Oligocene |
Gleichenia |
Gleichenia media
|
USSR(Kazakh SSR) |
Late Jurassic |
Oligocene |
Gleichenia |
Gleichenia media
|
USSR(Pre-Urals) |
Aptian |
|
Gleichenia |
Gleichenia media
|
USSR(WSL) |
Aptian |
Oligocene |
Gleichenia |
Gleichenia media
|
W.Germany |
Middle Senonian |
Early Tertiary |
Gleichenia |
Gleichenia polypodioides
|
Nd |
Nd |
|
Gleichenia |
Gleichenia radiata
|
USSR(Russian Platform) |
Aptian |
|
Gleichenia |
Gleichenia radiata
|
USSR(Urals) |
Cenomanian |
|
Gleichenia |
Gleichenia radiata
|
USSR(Far East) |
Late Cretaceous |
|
Gleichenia |
Gleichenia rara
|
USSR(Russian Platform) |
Late Cretaceous |
|
Gleichenia |
Gleichenia rara
|
USSR(Siberia) |
Early Cretaceous |
|