Octaedryxium |
Octaedryxium simmetricum
sp. nov. |
USSR |
Late Precambrian |
|
Octaedryxium |
Octaedryxium sp
|
USSR |
Late Precambrian |
|
Octaedryxium |
Octaedryxium tyrassum
sp. nov. |
USSR |
Late Precambrian |
|
Ooidium |
Ooidium
|
Eurasia |
Middle Cambrian |
Late Cambrian |
Orygmatosphaeridium |
Orygmatosphaeridium
|
Eurasia |
Early Proterozoic |
Silurian |
Phycomycetes |
Phycomycetes
|
Eurasia |
Middle Proterozoic |
Early Cambrian |
Podoliella |
Podoliella
|
Eurasia |
Vendian |
|
Podoliella |
Podoliella regularis
sp. nov. |
USSR |
Vendian |
|
Polyedrosphaeridium |
Polyedrosphaeridium
|
Eurasia |
Late Proterozoic |
Late Cambrian |
Protosphaeridium |
Protosphaeridium
|
Eurasia |
Early Proterozoic |
Silurian |
Pterospermopsimorpha |
Pterospermopsimorpha
|
Eurasia |
Late Proterozoic |
Late Cambrian |
Pulvinomorpha |
Pulvinomorpha
|
Eurasia |
Vendian |
|
Scaphita |
Scaphita
|
Eurasia |
Late Proterozoic |
Late Cambrian |
Scaphita |
Scaphita sp
|
USSR(WSL) |
Late Proterozoic |
|
Stictosphaeridium |
Stictosphaeridium
|
Eurasia |
Early Proterozoic |
Silurian |
Symplassosphaeridium |
Symplassosphaeridium
|
USSR(Leningrad) |
Early Proterozoic |
Late Cambrian |
Synsphaeridium |
Synsphaeridium
|
Eurasia |
Early Proterozoic |
Middle Ordovician |