Arctacellularia |
Arctacellularia doliiformis
|
USSR(Urals) |
Riphean |
|
Arctacellularia |
Arctacellularia ellipsoidea
|
USSR(Urals) |
Riphean |
|
Arctacellularia |
Arctacellularia sp
|
USSR(Urals) |
Riphean |
|
Kildinella |
Kildinella hyperboreica
|
USSR(Urals) |
Riphean |
|
Kildinella |
Kildinella vesljanica
|
USSR(Urals) |
Riphean |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Urals) |
Riphean |
|
Leiothrichoides |
Leiothrichoides sp
|
USSR(Urals) |
Riphean |
|
Leiothrichoides |
Leiothrichoides tipicus
|
USSR(Urals) |
Riphean |
|
Margominuscula |
Margominuscula
|
USSR(Urals) |
Riphean |
|
Nucellosphaeridium |
Nucellosphaeridium minutum
|
USSR(Urals) |
Riphean |
|
Palaeolyngbya |
Palaeolyngbya catenata
|
USSR(Urals) |
Riphean |
|
Polyedrosphaeridium |
Polyedrosphaeridium
|
USSR(Urals) |
Riphean |
|
Polysphaeroides |
Polysphaeroides
|
USSR(Urals) |
Riphean |
|
Polythrichoides |
Polythrichoides lineatus
|
USSR(Urals) |
Riphean |
|
Protosphaeridium |
Protosphaeridium vermium
|
USSR(Urals) |
Riphean |
|
Pterospermopsimorpha |
Pterospermopsimorpha sp
|
USSR(Urals) |
Riphean |
|
Synsphaeridium |
Synsphaeridium sp
|
USSR(Urals) |
Riphean |
|