Kildinella |
Kildinella hyperboreica
|
USSR(Russian Platform) |
Late Riphean |
Early Vendian |
Kildinella |
Kildinella sinica
|
USSR(Russian Platform) |
Late Riphean |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Russian Platform) |
Late Riphean |
|
Symplassosphaeridium |
Symplassosphaeridium tumidulum
|
USSR(Russian Platform) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Russian Platform) |
Late Riphean |
|
Nucellosphaeridium |
Nucellosphaeridium deminatum
|
USSR(Russian Platform) |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium bavlense
|
USSR(Russian Platform) |
Late Riphean |
Early Vendian |
Leiosphaeridia |
Leiosphaeridia gigantea
|
USSR(Russian Platform) |
Vendian |
Early Cambrian |
Leiosphaeridia |
Leiosphaeridia pellucida
|
USSR(Russian Platform) |
Vendian |
Early Cambrian |
Leiosphaeridia |
Leiosphaeridia minor
|
USSR(Russian Platform) |
Vendian |
Early Cambrian |
Nucellosphaeridium |
Nucellosphaeridium sp
|
USSR(Russian Platform) |
Vendian |
|
Orygmatosphaeridium |
Orygmatosphaeridium sp
|
USSR(Russian Platform) |
Early Vendian |
|
Protosphaeridium |
Protosphaeridium sp
|
USSR(Russian Platform) |
Vendian |
|
Polyedryxium |
Polyedryxium pritulum
|
USSR(Russian Platform) |
Early Vendian |
|
Polyedryxium |
Polyedryxium neftelenicum
|
USSR(Russian Platform) |
Early Vendian |
|
Trachysphaeridium |
Trachysphaeridium laminaritum
|
USSR(Russian Platform) |
Early Vendian |
|
Trachysphaeridium |
Trachysphaeridium asaphum
|
USSR(Russian Platform) |
Early Vendian |
|