Corylus |
Corylus
|
USSR(Kalmyr ASSR) |
Early Triassic |
|
Cymatiosphaera |
Cymatiosphaera
|
USSR(Ukrainian SSR) |
Devonian |
|
Cymatiosphaera |
Cymatiosphaera sp
|
USSR(Tatar ASSR) |
Permian |
|
Deunffia |
Deunffia
|
USSR(Ukrainian SSR) |
Devonian |
|
Deunffia |
Deunffia
|
USSR(Ukrainian SSR) |
Devonian |
Permian |
Deunffia |
Deunffia
|
USSR(Urals) |
Early Permian |
|
Deunffia |
Deunffia ramusculosa
|
USSR(Urals) |
Devonian |
|
Deunffia |
Deunffia sp
|
USSR(Tatar ASSR) |
Permian |
|
Diatomozonotriletes |
Diatomozonotriletes saetosus
|
Nd |
Nd |
|
Diatomozonotriletes |
Diatomozonotriletes saetosus
|
Nd |
Nd |
|
Diatomozonotriletes |
Diatomozonotriletes speciosus
|
USSR(Kuybyshev) |
Devonian |
|
Diatomozonotriletes |
Diatomozonotriletes speciosus
|
USSR(Saratov) |
Devonian |
|
Dictyotidium |
Dictyotidium
|
USSR(Ukrainian SSR) |
Devonian |
Carboniferous |
Dictyotidium |
Dictyotidium
|
USSR(Ukrainian SSR) |
Devonian |
Permian |
Dictyotidium |
Dictyotidium
|
USSR(Stavropol Kray) |
Devonian |
|
Dictyotidium |
Dictyotidium
|
USSR(Urals) |
Carboniferous |
Early Permian |
Dictyotidium |
Dictyotidium dictyotum
|
USSR(Tatar ASSR) |
Permian |
|