Leiosphaeridia |
Leiosphaeridia
|
USSR(Russian Platform) |
Vendian |
Middle Cambrian |
Leiosphaeridia |
Leiosphaeridia
|
USSR(Russian Platform) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium tornatum
|
USSR(Russian Platform) |
Vendian |
Middle Cambrian |
Granomarginata |
Granomarginata squamacea
|
USSR(Russian Platform) |
Early Cambrian |
|
Leiomarginata |
Leiomarginata simplex
|
USSR(Russian Platform) |
Early Cambrian |
|
Granomarginata |
Granomarginata prima
|
USSR(Russian Platform) |
Early Cambrian |
|
Tasmanites |
Tasmanites tenellus
|
USSR(Russian Platform) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium pallidum
|
USSR(Russian Platform) |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium cerinum
|
USSR(Russian Platform) |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium dubium
|
USSR(Russian Platform) |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium orbiculare
|
USSR(Russian Platform) |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium ornatum
|
USSR(Russian Platform) |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium papillosum
|
USSR(Russian Platform) |
Early Cambrian |
|
Lophosphaeridium |
Lophosphaeridium tentativum
|
USSR(Russian Platform) |
Early Cambrian |
|
Archaeodiscina |
Archaeodiscina umbonulata
|
USSR(Russian Platform) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium lanatum
|
USSR(Russian Platform) |
Early Cambrian |
|
Tasmanites |
Tasmanites variabilis
|
USSR(Russian Platform) |
Early Cambrian |
|