Stenozonotriletes |
Stenozonotriletes sp
|
Poland |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
Poland |
Silurian |
|
Protosphaeridium |
Protosphaeridium papyraceum
sp. nov. |
Poland |
Middle Cambrian |
|
Favososphaeridium |
Favososphaeridium kozlowskii
sp. nov. |
Poland |
Early Gothlandian |
|
Nucellosphaeridium |
Nucellosphaeridium deunffii
sp. nov. |
Poland |
Late Proterozoic |
Late Gothlandian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium imperfectum
|
Poland |
Early Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium micronatum
|
Poland |
Early Ordovician |
|
Acanthorytidodiacrodium |
Acanthorytidodiacrodium diffusum
|
Poland |
Early Ordovician |
|
Leiosphaeridia |
Leiosphaeridia eisenackii
|
Poland |
Early Ordovician |
|
Favososphaeridium |
Favososphaeridium michailovskyi
|
Poland |
Early Ordovician |
|
Protosphaeridium |
Protosphaeridium densum
sp. nov. |
Spitsbergen |
Late Cambrian |
|
Stictosphaeridium |
Stictosphaeridium implexum
sp. nov. |
Spitsbergen |
Late Cambrian |
|
Protosphaeridium |
Protosphaeridium densum
sp. nov. |
Spitsbergen |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
Spitsbergen |
Middle Cambrian |
|
Stictosphaeridium |
Stictosphaeridium implexum
sp. nov. |
Spitsbergen |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium papyraceum
sp. nov. |
Sweden |
Late Cambrian |
|
Ocridoligotriletes |
Ocridoligotriletes kryshtofovichii
|
Sweden |
Late Cambrian |
|