Leiosphaeridia |
Leiosphaeridia incrassatula
|
USSR(Urals) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia kulgunica
|
USSR(Urals) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia kulgunica
|
USSR(Urals) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Urals) |
Riphean |
Vendian |
Leiothrichoides |
Leiothrichoides sp
|
USSR(Urals) |
Riphean |
Vendian |
Leiothrichoides |
Leiothrichoides tipicus
|
USSR(Urals) |
Late Riphean |
|
Margominuscula |
Margominuscula rugosa
|
USSR(Urals) |
Early Riphean |
Middle Riphean |
Micrhystridium |
Micrhystridium sp. Yank.,1982
sp. nov. |
USSR(Urals) |
Early Riphean |
|
Micrhystridium |
Micrhystridium sp. Yank.,1982
sp. nov. |
USSR(Urals) |
Middle Riphean |
|
Microconcentrica |
Microconcentrica sp
|
USSR(Urals) |
Late Riphean |
|
Nucellosphaeridium |
Nucellosphaeridium minutum
|
USSR(Urals) |
Middle Riphean |
Vendian |
Octaedryxium |
Octaedryxium sp
|
USSR(Urals) |
Late Riphean |
|
Omalophyma |
Omalophyma angusta
|
USSR(Urals) |
Vendian |
|
Omalophyma |
Omalophyma gracilis
|
USSR(Urals) |
Vendian |
|
Orygmatosphaeridium |
Orygmatosphaeridium flexuosum
|
USSR(Urals) |
Riphean |
|
Oscillatoriaceae |
Oscillatoriaceae sp
|
USSR(Urals) |
Middle Riphean |
Late Riphean |
Oscillatoriopsis |
Oscillatoriopsis sp
|
USSR(Urals) |
Late Riphean |
Kudashian |