Leiofusa |
Leiofusa oblonga
|
USSR(Siberia) |
Silurian |
|
Leiofusa |
Leiofusa striatifera
|
USSR(Siberia) |
Silurian |
|
Leiosphaeridia |
Leiosphaeridia cerina
|
USSR(Siberia) |
Silurian |
|
Leiosphaeridia |
Leiosphaeridia eisenackii
|
USSR(Siberia) |
Silurian |
|
Leiosphaeridia |
Leiosphaeridia laevigata
|
USSR(Siberia) |
Silurian |
|
Leiosphaeridia |
Leiosphaeridia plicata
|
USSR(Siberia) |
Silurian |
|
Leiosphaeridia |
Leiosphaeridia tenuissima
|
USSR(Siberia) |
Silurian |
|
Leiosphaeridia |
Leiosphaeridia wenlockia
|
USSR(Siberia) |
Silurian |
|
Leiovalia |
Leiovalia sp
|
USSR(Siberia) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium citrinipeltatum
|
USSR(Siberia) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium citrinum
|
USSR(Siberia) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium crassum
|
USSR(Siberia) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium dubium
|
USSR(Siberia) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium papillatum
|
USSR(Siberia) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium parverarum
|
USSR(Siberia) |
Silurian |
|
Macroptycha |
Macroptycha uniplicata
|
USSR(Siberia) |
Silurian |
|
Micrhystridium |
Micrhystridium acum
|
USSR(Siberia) |
Silurian |
|