Archaeosacculina |
Archaeosacculina atava
|
USSR(Siberia) |
Late Riphean |
|
Archaeodiscina |
Archaeodiscina atava
|
USSR(Siberia) |
Late Riphean |
|
Bavlinella |
Bavlinella sp
|
USSR(Siberia) |
Late Riphean |
|
Leiominuscula |
Leiominuscula rugosa
|
USSR(Siberia) |
Late Riphean |
|
Lopholigotriletum |
Lopholigotriletum semiinvolutum
|
USSR(Siberia) |
Late Riphean |
|
Lophominuscula |
Lophominuscula prima
|
USSR(Siberia) |
Late Riphean |
|
Lophominuscula |
Lophominuscula rugosa
|
USSR(Siberia) |
Late Riphean |
|
Margominuscula |
Margominuscula antiqua
|
USSR(Siberia) |
Late Riphean |
|
Margominuscula |
Margominuscula prisca
|
USSR(Siberia) |
Late Riphean |
|
Margominuscula |
Margominuscula rugosa
|
USSR(Siberia) |
Late Riphean |
|
Margominuscula |
Margominuscula tennela
|
USSR(Siberia) |
Late Riphean |
|
Margominuscula |
Margominuscula tremata
|
USSR(Siberia) |
Late Riphean |
|
Margominuscula |
Margominuscula verrucosa
|
USSR(Siberia) |
Late Riphean |
|
Minutissima |
Minutissima prima
|
USSR(Siberia) |
Late Riphean |
|
Polyedrosphaeridium |
Polyedrosphaeridium septiforme
|
USSR(Siberia) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium colliculosum
|
USSR(Siberia) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium compactum
|
USSR(Siberia) |
Late Riphean |
|