Leiominuscula |
Leiominuscula minuta
|
USSR(Nenets Nat.Okrug) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia bituminosa
|
USSR(Nenets Nat.Okrug) |
Early Riphean |
Middle Riphean |
Leiosphaeridia |
Leiosphaeridia complicata
|
USSR(Nenets Nat.Okrug) |
Middle Riphean |
|
Leiosphaeridia |
Leiosphaeridia particularis
|
USSR(Nenets Nat.Okrug) |
Early Riphean |
Middle Riphean |
Leiosphaeridia |
Leiosphaeridia sphaerica
|
USSR(Nenets Nat.Okrug) |
Middle Riphean |
|
Leiosphaeridium |
Leiosphaeridium sphaericum
|
USSR(Nenets Nat.Okrug) |
Middle Riphean |
|
Leiosphaeridium |
Leiosphaeridium sphaericum
|
USSR(Nenets Nat.Okrug) |
Middle Riphean |
|
Lophomarginata |
Lophomarginata porata
|
USSR(Nenets Nat.Okrug) |
Late Vendian |
Cambrian |
Lophominuscula |
Lophominuscula rugosa
|
USSR(Nenets Nat.Okrug) |
Late Riphean |
|
Margominuscula |
Margominuscula tremata
|
USSR(Nenets Nat.Okrug) |
Late Riphean |
|
Micrhystridium |
Micrhystridium tornatum
|
USSR(Nenets Nat.Okrug) |
Cambrian |
|
Nucellosphaeridium |
Nucellosphaeridium bellum
|
USSR(Nenets Nat.Okrug) |
Middle Riphean |
|
Orygmatosphaeridium |
Orygmatosphaeridium rubiginosum
|
USSR(Nenets Nat.Okrug) |
Late Vendian |
|
Protosphaeridium |
Protosphaeridium cavernosum
|
USSR(Nenets Nat.Okrug) |
Precambriam |
|
Protosphaeridium |
Protosphaeridium cellulare
|
USSR(Nenets Nat.Okrug) |
Precambriam |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Nenets Nat.Okrug) |
Precambriam |
|
Protosphaeridium |
Protosphaeridium duricorium
|
USSR(Nenets Nat.Okrug) |
Middle Riphean |
Early Vendian |