Polyedrosphaeridium |
Polyedrosphaeridium bullatum
|
USSR(Urals) |
Late Riphean |
|
Polysphaeroides |
Polysphaeroides sp
|
USSR(Urals) |
Late Riphean |
|
Polythrichoides |
Polythrichoides lineatus
|
USSR(Urals) |
Late Riphean |
|
Protosphaeridium |
Protosphaeridium flexuosum
|
USSR(Urals) |
Late Riphean |
|
Protosphaeridium |
Protosphaeridium sp
|
USSR(Urals) |
Late Riphean |
|
Protosphaeridium |
Protosphaeridium vermium
|
USSR(Urals) |
Late Riphean |
|
Pterospermopsimorpha |
Pterospermopsimorpha sp
|
USSR(Urals) |
Late Riphean |
|
Pterospermopsis |
Pterospermopsis dubius
sp. nov. |
USSR(Urals) |
Late Riphean |
|
Pterospermopsis |
Pterospermopsis simicus
sp. nov. |
USSR(Urals) |
Late Riphean |
|
Synsphaeridium |
Synsphaeridium sp
|
USSR(Urals) |
Late Riphean |
|
Tortunema |
Tortunema sibirica
|
USSR(Urals) |
Late Riphean |
|
Trematosphaeridium |
Trematosphaeridium holtedahlii
|
USSR(Urals) |
Late Riphean |
|
Turuchanica |
Turuchanica ternata
|
USSR(Urals) |
Late Riphean |
|