Calamospora |
Calamospora plicata
|
USSR |
Carboniferous |
Permian |
Nigrisporites |
Nigrisporites
|
USSR |
Carboniferous |
Permian |
Nigrisporites |
Nigrisporites nigritellus
|
USSR |
Carboniferous |
Permian |
Leiotriletes |
Leiotriletes extensus
|
USSR |
Carboniferous |
Permian |
Cordaitina |
Cordaitina uralensa
|
USSR |
Carboniferous |
Permian |
Cordaitina |
Cordaitina rotata
|
USSR |
Carboniferous |
Permian |
Cordaitina |
Cordaitina rugulifera
|
USSR |
Carboniferous |
Permian |
Punctatisporites |
Punctatisporites platyrugosus
|
USSR |
Carboniferous |
|
Retusotriletes |
Retusotriletes devonicus
|
USSR |
Middle Devonian |
Late Devonian |
Trachytriletes |
Trachytriletes minutus
|
USSR |
Cambrian |
Early Carboniferous |
Cyclobaculisporites |
Cyclobaculisporites trichacanthus
|
USSR |
Carboniferous |
Early Permian |
Laevigatosporites |
Laevigatosporites vulgaris
|
USSR |
Carboniferous |
Early Permian |
Laevigatosporites |
Laevigatosporites vulgaris
|
USSR |
Carboniferous |
Early Permian |
Capillatisporites |
Capillatisporites
|
USSR |
Carboniferous |
Permian |
Capillatisporites |
Capillatisporites tenuispinosus
|
USSR |
Permian |
|
Raistrickia |
Raistrickia heteromorpha
|
USSR |
Permian |
|
Spinosisporites |
Spinosisporites rectispinus
|
USSR |
Permian |
|