Leiominuscula |
Leiominuscula minuta
|
Nd |
Nd |
|
Leiominuscula |
Leiominuscula minuta
|
Nd |
Nd |
|
Leiominuscula |
Leiominuscula minuta
|
USSR(Urals) |
Late Permian |
|
Leiominuscula |
Leiominuscula prima
|
USSR(Stalingrad) |
Permian |
|
Leiominuscula |
Leiominuscula rugosa
|
USSR(Stavropol Kray) |
Devonian |
|
Leiominuscula |
Leiominuscula verrucosa
|
USSR(Urals) |
Devonian |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Urals) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Ukrainian SSR) |
Devonian |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Ukrainian SSR) |
Devonian |
Permian |
Leiosphaeridia |
Leiosphaeridia
|
USSR(Saratov) |
Devonian |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Stavropol Kray) |
Devonian |
|
Leiosphaeridia |
Leiosphaeridia
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Urals) |
Carboniferous |
Early Permian |
Leiosphaeridia |
Leiosphaeridia breviplicata
|
USSR(Urals) |
Devonian |
|
Leiosphaeridia |
Leiosphaeridia eisenackii
|
USSR(Belorussian SSR) |
Early Cambrian |
|
Leiosphaeridia |
Leiosphaeridia laevigata
|
USSR(Tatar ASSR) |
Permian |
|
Leiosphaeridia |
Leiosphaeridia microcystis
|
USSR(Tatar ASSR) |
Permian |
|