Annulatopsophosphaera |
Annulatopsophosphaera
|
USSR(Siberia) |
Precambriam |
|
Annulatopsophosphaera |
Annulatopsophosphaera
|
USSR(Siberia) |
Early Cambrian |
|
Archaeosacculina |
Archaeosacculina
|
USSR(Siberia) |
Early Cambrian |
|
Asperatopsophosphaera |
Asperatopsophosphaera
|
USSR(Siberia) |
Precambriam |
|
Baltisphaeridium |
Baltisphaeridium orbiculare
|
USSR(Siberia) |
Early Cambrian |
|
Bavlinella |
Bavlinella faveolata
|
USSR(Siberia) |
Precambriam |
|
Contextus |
Contextus laevisus
|
USSR(Siberia) |
Middle Proterozoic |
|
Gloeocapsamorpha |
Gloeocapsamorpha faveolata
|
USSR(Siberia) |
Middle Proterozoic |
|
Granomarginata |
Granomarginata
|
USSR(Siberia) |
Precambriam |
|
Granomarginata |
Granomarginata squamacea
|
USSR(Siberia) |
Early Cambrian |
|
Laminarites |
Laminarites antiquissimus
|
USSR(Siberia) |
Precambriam |
|
Leiomarginata |
Leiomarginata
|
USSR(Siberia) |
Precambriam |
|
Leiomarginata |
Leiomarginata
|
USSR(Siberia) |
Early Cambrian |
|
Leiominuscula |
Leiominuscula minuta
|
USSR(Siberia) |
Precambriam |
|
Leiominuscula |
Leiominuscula rugosa
|
USSR(Siberia) |
Late Proterozoic |
|
Leiominuscula |
Leiominuscula simplex
|
USSR(Siberia) |
Late Proterozoic |
|
Leiosphaeridia |
Leiosphaeridia complicata
|
USSR(Siberia) |
Precambriam |
|