Trematosphaeridium |
Trematosphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Turuchanica |
Turuchanica alara
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Synsphaeridium |
Synsphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Bavlinella |
Bavlinella sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Orygmatosphaeridium |
Orygmatosphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Orygmatosphaeridium |
Orygmatosphaeridium distributum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Trachysphaeridium |
Trachysphaeridium laminaritum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Ocridosphaeridium |
Ocridosphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Symplassosphaeridium |
Symplassosphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Oscillatorites |
Oscillatorites
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Leiosphaeridia |
Leiosphaeridia bituminosa
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Favososphaeridium |
Favososphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Turuchanica |
Turuchanica ternata
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Pterospermopsimorpha |
Pterospermopsimorpha sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Trachyhystrichosphaera |
Trachyhystrichosphaera aimika
sp. nov. |
USSR(Khabarovsk Kray) |
Late Riphean |
|
Octaedryxium |
Octaedryxium truncatum
|
USSR(Khabarovsk Kray) |
Late Riphean |
|