Hystrichosphaeridium |
Hystrichosphaeridium pellicidum
|
Nd |
Nd |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Stictosphaeridium |
Stictosphaeridium implexum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium parvulum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium vermium
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium scabridum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium flexuosum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium ace
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium laccatum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium rigidulum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium asaphum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Protosphaeridium |
Protosphaeridium discum
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Gloeocapsamorpha |
Gloeocapsamorpha sp
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
USSR(Karelian ASSR) |
Middle Precambrian |
|
Trematosphaeridium |
Trematosphaeridium holtedahlii
|
USSR(Karelian ASSR) |
Middle Precambrian |
|