Leiomarginata |
Leiomarginata sp
|
USSR(Siberia) |
Late Riphean |
|
Leiominuscula |
Leiominuscula sp
|
USSR(Siberia) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia minor
|
USSR(Siberia) |
Late Riphean |
|
Margominuscula |
Margominuscula sp
|
USSR(Siberia) |
Late Riphean |
|
Nucellosphaeridium |
Nucellosphaeridium minutum
|
USSR(Siberia) |
Late Riphean |
|
Nucellosphaeridium |
Nucellosphaeridium sp.1
sp. nov. |
USSR(Siberia) |
Late Riphean |
|
Nucellosphaeridium |
Nucellosphaeridium sp.2
sp. nov. |
USSR(Siberia) |
Late Riphean |
|
Octaedryxium |
Octaedryxium sp
|
USSR(Siberia) |
Late Riphean |
|
Protosphaeridium |
Protosphaeridium sp
|
USSR(Siberia) |
Late Riphean |
|
Pterospermella |
Pterospermella sp
|
USSR(Siberia) |
Late Riphean |
|
Pterospermopsimorpha |
Pterospermopsimorpha capsulata
|
USSR(Siberia) |
Late Riphean |
|
Pterospermopsimorpha |
Pterospermopsimorpha deformata
|
USSR(Siberia) |
Late Riphean |
|
Pterospermopsimorpha |
Pterospermopsimorpha sp.1
sp. nov. |
USSR(Siberia) |
Late Riphean |
|
Sphaerocongregus |
Sphaerocongregus variabilis
|
USSR(Siberia) |
Late Riphean |
|
Symplassosphaeridium |
Symplassosphaeridium undosum
|
USSR(Siberia) |
Late Riphean |
|