Archaeosacculina |
Archaeosacculina minijarica
|
USSR(Urals) |
Late Riphean |
|
Leiominuscula |
Leiominuscula rugosa
|
USSR(Urals) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia aperta
|
USSR(Urals) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia hyperboreica
|
USSR(Urals) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia laevigata
|
USSR(Urals) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia paleaceae
|
USSR(Urals) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia plana
|
USSR(Urals) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia tenuis
|
USSR(Urals) |
Late Riphean |
|
Lophominuscula |
Lophominuscula prima
|
USSR(Urals) |
Late Riphean |
|
Lophominuscula |
Lophominuscula rugosa
|
USSR(Urals) |
Late Riphean |
|
Margomassulina |
Margomassulina granulosa
|
USSR(Urals) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium bullatum
|
USSR(Urals) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium solidum
|
USSR(Urals) |
Late Riphean |
|
Synsphaeridium |
Synsphaeridium imbecillum
|
USSR(Urals) |
Late Riphean |
|
Synsphaeridium |
Synsphaeridium tenuatum
|
USSR(Urals) |
Late Riphean |
|
Trachyminuscula |
Trachyminuscula microrugosa
|
USSR(Urals) |
Late Riphean |
|