Leiomarginata |
Leiomarginata simplex
|
USSR(Siberia) |
Late Riphean |
Early Cambrian |
Leiosphaeridia |
Leiosphaeridia effusa
|
USSR(Siberia) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia gigantea
|
USSR(Siberia) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia jacutica
|
USSR(Siberia) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia pelucida
|
USSR(Siberia) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia sinica
|
USSR(Siberia) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Siberia) |
Early Cambrian |
|
Leiosphaeridia |
Leiosphaeridia timanica
|
USSR(Siberia) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia tshapomica
|
USSR(Siberia) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia vesljanica
|
USSR(Siberia) |
Late Riphean |
|
Micrhystridium |
Micrhystridium certum
|
USSR(Siberia) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium insuetum
|
USSR(Siberia) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium sp
|
USSR(Siberia) |
Late Riphean |
Early Cambrian |
Octaedryxium |
Octaedryxium truncatum
|
USSR(Siberia) |
Early Cambrian |
|
Paracrassosphaera |
Paracrassosphaera actinomorpha
|
USSR(Siberia) |
Early Cambrian |
|
Paracrassosphaera |
Paracrassosphaera dedalea
|
USSR(Siberia) |
Early Cambrian |
|
Pterospermopsimorpha |
Pterospermopsimorpha pileiformis
|
USSR(Siberia) |
Late Riphean |
|