Contignisporites |
Contignisporites fornicatus
|
USSR(Middle Asia Prov.) |
Middle Jurassic |
|
Converrucosisporites |
Converrucosisporites
|
USSR(Caucasus) |
Toarcian |
Bathonian |
Converrucosisporites |
Converrucosisporites
|
USSR(Siberia) |
Toarcian |
Bathonian |
Converrucosisporites |
Converrucosisporites disparituberculatus
|
USSR(Middle Asia Prov.) |
Bajocian |
|
Converrucosisporites |
Converrucosisporites disparituberculatus
|
USSR(Middle Asia Prov.) |
Middle Jurassic |
|
Cordaitales |
Cordaitales
|
USSR(Caucasus) |
Hettangian |
Pliensbachian |
Cordaitales |
Cordaitales
|
USSR(Siberia) |
Hettangian |
Pliensbachian |
Cyathidites |
Cyathidites
|
USSR(Middle Asia Prov.) |
Toarcian |
Early Callovian |
Cyathidites |
Cyathidites
|
USSR(Middle Asia Prov.) |
Early Liassic |
|
Cyathidites |
Cyathidites
|
USSR(Middle Asia Prov.) |
Middle Jurassic |
|
Cyathidites |
Cyathidites
|
USSR(Caucasus) |
Hettangian |
Bathonian |
Cyathidites |
Cyathidites
|
USSR(Siberia) |
Hettangian |
Bathonian |
Cyathidites |
Cyathidites minor
|
USSR(Middle Asia Prov.) |
Pliensbachian |
|
Cyathidites |
Cyathidites minor
|
USSR(Caucasus) |
Toarcian |
|
Cyathidites |
Cyathidites minor
|
USSR(Siberia) |
Toarcian |
|
Cycadopites |
Cycadopites
|
USSR(Caucasus) |
Hettangian |
Callovian |
Cycadopites |
Cycadopites
|
USSR(Siberia) |
Hettangian |
Callovian |