Protosphaeridium |
Protosphaeridium rigidulum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium flexuosum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium ace
|
USSR(Murmansk) |
Middle Proterozoic |
|
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
USSR(Murmansk) |
Middle Proterozoic |
|
Synsphaeridium |
Synsphaeridium sp
|
USSR(Murmansk) |
Middle Proterozoic |
|
Nucellosphaeridium |
Nucellosphaeridium minutum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium asaphum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium planum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Ocridosphaeridium |
Ocridosphaeridium sp
|
USSR(Murmansk) |
Middle Proterozoic |
|
Orygmatosphaeridium |
Orygmatosphaeridium distributum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Trachysphaeridium |
Trachysphaeridium laminaritum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Trematosphaeridium |
Trematosphaeridium sp
|
USSR(Murmansk) |
Middle Proterozoic |
|
Protosphaeridium |
Protosphaeridium patelliforme
|
USSR(Murmansk) |
Middle Proterozoic |
|
Stictosphaeridium |
Stictosphaeridium implexum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Murmansk) |
Middle Proterozoic |
|
Pterospermopsimorpha |
Pterospermopsimorpha sp
|
USSR(Murmansk) |
Middle Proterozoic |
|
Zonosphaeridium |
Zonosphaeridium sp
|
USSR(Murmansk) |
Middle Proterozoic |
|