Cymatiosphaera |
Cymatiosphaera mirabilis
|
USSR(Siberia) |
Silurian |
|
Cymatiosphaera |
Cymatiosphaera nebulosa
|
USSR(Siberia) |
Silurian |
|
Cymatiosphaera |
Cymatiosphaera pavimenta
|
USSR(Siberia) |
Silurian |
|
Cymatiosphaera |
Cymatiosphaera wenlockia
|
USSR(Siberia) |
Silurian |
|
Dactylofusa |
Dactylofusa neahgae
|
USSR(Siberia) |
Silurian |
|
Desmochitina |
Desmochitina densa
|
USSR(Siberia) |
Silurian |
|
Deunffia |
Deunffia brevispinosa
|
USSR(Siberia) |
Silurian |
|
Deunffia |
Deunffia calva
|
USSR(Siberia) |
Silurian |
|
Deunffia |
Deunffia eisenackii
|
USSR(Siberia) |
Silurian |
|
Deunffia |
Deunffia monospinosa
|
USSR(Siberia) |
Silurian |
|
Dictyotidium |
Dictyotidium dictyotum
|
USSR(Siberia) |
Silurian |
|
Duvernaysphaera |
Duvernaysphaera aranaides
|
USSR(Siberia) |
Silurian |
|
Favososphaeridium |
Favososphaeridium kozlowskii
|
USSR(Siberia) |
Silurian |
|
Gloeocapsamorpha |
Gloeocapsamorpha sp
|
USSR(Siberia) |
Silurian |
|
Lagenochitina |
Lagenochitina sphaerocephala
|
USSR(Siberia) |
Silurian |
|
Leiofusa |
Leiofusa bispinoides
|
USSR(Siberia) |
Silurian |
|
Leiofusa |
Leiofusa faluca
|
USSR(Siberia) |
Silurian |
|