Leiosphaeridium |
Leiosphaeridium glomerosum
|
USSR(Russian Platform) |
Llandeilian |
|
Leiosphaeridium |
Leiosphaeridium pertusum
|
USSR(Russian Platform) |
Silurian |
|
Leiosphaeridium |
Leiosphaeridium reticulata
|
USSR(Russian Platform) |
Silurian |
|
Leiosphaeridium |
Leiosphaeridium sphaericum
|
USSR(Russian Platform) |
Silurian |
|
Leiotriletes |
Leiotriletes atavus
|
USSR(Russian Platform) |
Middle Devonian |
|
Leiotriletes |
Leiotriletes corvazum
|
USSR(Russian Platform) |
Late Devonian |
|
Leiotriletes |
Leiotriletes evlanensis
|
USSR(Russian Platform) |
Late Devonian |
|
Leiotriletes |
Leiotriletes excisus
|
USSR(Russian Platform) |
Late Devonian |
|
Leiotriletes |
Leiotriletes fidus
|
USSR(Russian Platform) |
Middle Carboniferous |
|
Leiotriletes |
Leiotriletes flaccus
|
USSR(Russian Platform) |
Middle Carboniferous |
|
Leiotriletes |
Leiotriletes gratus
|
USSR(Russian Platform) |
Middle Carboniferous |
|
Leiotriletes |
Leiotriletes grumosus
|
USSR |
Late Devonian |
|
Leiotriletes |
Leiotriletes microrugosus
|
USSR(Russian Platform) |
Late Devonian |
|
Leiotriletes |
Leiotriletes nigritellus
|
USSR(Russian Platform) |
Early Devonian |
|
Leiotriletes |
Leiotriletes notus
|
USSR(Russian Platform) |
Middle Carboniferous |
|
Leiotriletes |
Leiotriletes palamius
|
USSR(Russian Platform) |
Middle Devonian |
|
Leiotriletes |
Leiotriletes subintortus
|
USSR(Kazakh SSR) |
Visean |
|