Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Ukrainian SSR) |
Middle Precambrian |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Ukrainian SSR) |
Precambriam |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Siberia) |
Middle Precambrian |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Siberia) |
Riphean |
|
Stictosphaeridium |
Stictosphaeridium sp
|
USSR(Ukrainian SSR) |
Middle Precambrian |
|
Stictosphaeridium |
Stictosphaeridium sp
|
USSR(Siberia) |
Riphean |
|
Stictosphaeridium |
Stictosphaeridium tortulosum
|
USSR(Siberia) |
Riphean |
|
Symplassosphaeridium |
Symplassosphaeridium incrustatum
|
USSR(Siberia) |
Middle Precambrian |
|
Symplassosphaeridium |
Symplassosphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Symplassosphaeridium |
Symplassosphaeridium sp
|
USSR(Ukrainian SSR) |
Precambriam |
|
Symplassosphaeridium |
Symplassosphaeridium sp
|
USSR(Siberia) |
Riphean |
|
Synsphaeridium |
Synsphaeridium
|
USSR(Siberia) |
Middle Precambrian |
|
Synsphaeridium |
Synsphaeridium conglutinatum
|
USSR(Siberia) |
Riphean |
|
Synsphaeridium |
Synsphaeridium sorediforme
|
USSR(Ukrainian SSR) |
Precambriam |
|
Synsphaeridium |
Synsphaeridium sorediforme
|
USSR(Siberia) |
Riphean |
|
Synsphaeridium |
Synsphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|