Acanthorytidodiacrodium |
Acanthorytidodiacrodium
|
USSR(Siberia) |
Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium
|
USSR(Siberia) |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium
|
USSR(Siberia) |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium
|
USSR(Siberia) |
Early Ordovician |
|
Baltisphaeridium |
Baltisphaeridium kotulskyi
sp. nov. |
USSR(Siberia) |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium tesakovii
|
USSR(Siberia) |
Middle Ordovician |
|
Cymatiosphaera |
Cymatiosphaera
|
USSR(Siberia) |
Early Gothlandian |
|
Cymatiosphaera |
Cymatiosphaera baicita
sp. nov. |
USSR(Siberia) |
Middle Ordovician |
|
Cymatiosphaera |
Cymatiosphaera baicita
|
USSR(Siberia) |
Early Gothlandian |
|
Gloeocapsamorpha |
Gloeocapsamorpha
|
USSR(Siberia) |
Early Devonian |
|
Gloeocapsamorpha |
Gloeocapsamorpha
|
USSR(Siberia) |
Ordovician |
|
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
USSR(Siberia) |
Late Gothlandian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
USSR(Siberia) |
Early Gothlandian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
USSR(Siberia) |
Middle Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium maslovii
sp. nov. |
USSR(Siberia) |
Middle Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium sibiricum
|
USSR(Siberia) |
Late Ordovician |
|
Leiofusa |
Leiofusa
|
USSR(Siberia) |
Early Devonian |
|