Leiofusa |
Leiofusa sp
|
USSR(Krasnoyarsk Kray) |
Ordovician |
|
Leiofusa |
Leiofusa sp
|
USSR(Krasnoyarsk Kray) |
Middle Ordovician |
|
Leiofusa |
Leiofusa sp
|
USSR(Siberia) |
Ordovician |
|
Leiofusa |
Leiofusa tenuis
|
USSR(Estonian SSR) |
Late Ordovician |
|
Leiomesotriletes |
Leiomesotriletes
|
USSR(Estonian SSR) |
Ordovician |
Silurian |
Leiomesotriletes |
Leiomesotriletes
|
USSR(Pre-Baltic) |
Silurian |
|
Leiomesotriletes |
Leiomesotriletes
|
USSR(Krasnoyarsk Kray) |
Ordovician |
|
Leiomesotriletes |
Leiomesotriletes
|
USSR(Siberia) |
Ordovician |
Silurian |
Leiomesotriletes |
Leiomesotriletes sp
|
USSR(Estonian SSR) |
Late Ordovician |
|
Leiomesotriletes |
Leiomesotriletes sp
|
USSR(Estonian SSR) |
Middle Ordovician |
|
Leiomesotriletes |
Leiomesotriletes sp
|
USSR(Krasnoyarsk Kray) |
Llandoverian |
|
Leiomesotriletes |
Leiomesotriletes sp
|
USSR(Kalinin) |
Ludlovian |
|
Leiosphaeridia |
Leiosphaeridia bituminosa
sp. nov. |
USSR(Russian Platform) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia bituminosa
sp. nov. |
USSR(Siberia) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia cerina
sp. nov. |
USSR(Pre-Baltic) |
Late Gothlandian |
|
Leiosphaeridia |
Leiosphaeridia eisenackii
|
Poland |
Ordovician |
Silurian |
Leiosphaeridia |
Leiosphaeridia eisenackii
|
Poland |
Early Ordovician |
|