Favososphaeridium |
Favososphaeridium sp
|
USSR(Karelian ASSR) |
Middle Proterozoic |
|
Gloeocapsamorpha |
Gloeocapsamorpha sp
|
USSR(Karelian ASSR) |
Middle Proterozoic |
|
Phycomycetes |
Phycomycetes sp
|
USSR(Karelian ASSR) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium ace
|
USSR(Karelian ASSR) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Karelian ASSR) |
Early Proterozoic |
Middle Proterozoic |
Protosphaeridium |
Protosphaeridium flexuosum
|
USSR(Karelian ASSR) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium laccatum
|
USSR(Karelian ASSR) |
Early Proterozoic |
Middle Proterozoic |
Protosphaeridium |
Protosphaeridium planum
|
USSR(Karelian ASSR) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium rigidulum
|
USSR(Karelian ASSR) |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium sp
|
USSR(Karelian ASSR) |
Early Proterozoic |
Middle Proterozoic |
Protosphaeridium |
Protosphaeridium tuberculiferum
|
USSR(Karelian ASSR) |
Middle Proterozoic |
|
Stictosphaeridium |
Stictosphaeridium implexum
|
USSR(Karelian ASSR) |
Middle Proterozoic |
Late Proterozoic |
Stictosphaeridium |
Stictosphaeridium pectinale
|
USSR(Karelian ASSR) |
Middle Proterozoic |
|
Symplassosphaeridium |
Symplassosphaeridium sp
|
USSR(Karelian ASSR) |
Early Proterozoic |
|
Synsphaeridium |
Synsphaeridium sp
|
USSR(Karelian ASSR) |
Early Proterozoic |
Middle Proterozoic |
Trachysphaeridium |
Trachysphaeridium laminaritum
|
USSR(Karelian ASSR) |
Late Proterozoic |
|
Trematosphaeridium |
Trematosphaeridium holtedahlii
|
USSR(Karelian ASSR) |
Middle Proterozoic |
Late Proterozoic |