Margominuscula |
Margominuscula tremata
|
USSR(Siberia) |
Late Riphean |
|
Margominuscula |
Margominuscula verrucosa
|
USSR(Siberia) |
Late Riphean |
|
Minutissima |
Minutissima prima
|
USSR(Siberia) |
Late Riphean |
|
Polyedrosphaeridium |
Polyedrosphaeridium semiconnatum
|
USSR(Siberia) |
Early Cambrian |
|
Polyedrosphaeridium |
Polyedrosphaeridium septiforme
|
USSR(Siberia) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium colliculosum
|
USSR(Siberia) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium compactum
|
USSR(Siberia) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium conglutinatum
|
USSR(Siberia) |
Early Cambrian |
|
Protoleiosphaeridium |
Protoleiosphaeridium muna
|
USSR(Siberia) |
Late Riphean |
|
Protolophosphaeridium |
Protolophosphaeridium sp
|
USSR(Siberia) |
Early Cambrian |
|
Protonucellosphaeridium |
Protonucellosphaeridium patelliforme
|
USSR(Siberia) |
Late Riphean |
|
Prototrachysphaeridium |
Prototrachysphaeridium samsonvieluii
|
USSR(Siberia) |
Early Cambrian |
|
Prototrachysphaeridium |
Prototrachysphaeridium vavosum
|
USSR(Siberia) |
Early Cambrian |
|
Protozonosphaeridium |
Protozonosphaeridium agaense
|
USSR(Siberia) |
Late Riphean |
|
Radiosus |
Radiosus striptus
|
USSR(Siberia) |
Late Riphean |
|
Spumosata |
Spumosata partialis
|
USSR(Siberia) |
Vendian |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Siberia) |
Late Riphean |
|