Lophosphaeridium |
Lophosphaeridium plicatulum
|
USSR(Siberia) |
Silurian |
|
Lophosphaeridium |
Lophosphaeridium triangulatum
|
USSR(Siberia) |
Silurian |
|
Macroptycha |
Macroptycha uniplicata
|
USSR(Siberia) |
Silurian |
|
Micrhystridium |
Micrhystridium coronatum
|
USSR(Siberia) |
Silurian |
|
Micrhystridium |
Micrhystridium flandrianum
|
USSR(Siberia) |
Silurian |
|
Micrhystridium |
Micrhystridium pentagonale
|
USSR(Siberia) |
Silurian |
|
Nucellosphaeridium |
Nucellosphaeridium deunffii
|
USSR(Siberia) |
Silurian |
|
Nucellosphaeridium |
Nucellosphaeridium medianum
|
USSR(Siberia) |
Silurian |
|
Polyedryxium |
Polyedryxium lagoviense
|
USSR(Siberia) |
Silurian |
|
Pterospermella |
Pterospermella sp
|
USSR(Siberia) |
Silurian |
|
Pulvinosphaeridium |
Pulvinosphaeridium pulvinellum
|
USSR(Siberia) |
Silurian |
|
Rhabdochitina |
Rhabdochitina sp
|
USSR(Siberia) |
Silurian |
|
Sphaerochitina |
Sphaerochitina sp
|
USSR(Siberia) |
Silurian |
|
Steneyochitina |
Steneyochitina sp
|
USSR(Siberia) |
Silurian |
|
Tasmanites |
Tasmanites martinssonii
|
USSR(Siberia) |
Silurian |
|
Trachysphaeridium |
Trachysphaeridium universalum
|
USSR(Siberia) |
Silurian |
|
Trematosphaeridium |
Trematosphaeridium sp
|
USSR(Siberia) |
Silurian |
|