Asperatopsophosphaera |
Asperatopsophosphaera asperata
|
USSR(Permsk Oblast) |
Late Vendian |
|
Baltisphaeridium |
Baltisphaeridium
|
USSR(Urals) |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp
|
USSR(Permsk Oblast) |
Vendian |
|
Brochopsophosphaera |
Brochopsophosphaera diligens
|
USSR(Urals) |
Silurian |
|
Brochopsophosphaera |
Brochopsophosphaera legibilis
|
USSR(Urals) |
Silurian |
|
Brochopsophosphaera |
Brochopsophosphaera legibilis
|
USSR(Permsk Oblast) |
Vendian |
|
Discina |
Discina asperella
|
USSR(Permsk Oblast) |
Vendian |
|
Hymenodiscina |
Hymenodiscina adumbrata
|
USSR(Permsk Oblast) |
Vendian |
|
Hymenodiscina |
Hymenodiscina sp
|
USSR(Permsk Oblast) |
Vendian |
|
Leiominuscula |
Leiominuscula rugosa
|
USSR(Permsk Oblast) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Urals) |
Ordovician |
|
Leiosphaeridia |
Leiosphaeridia aperta
|
USSR(Permsk Oblast) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia hyperboreica
|
USSR(Permsk Oblast) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia multiplicata
|
USSR(Permsk Oblast) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia paleacea
|
USSR(Permsk Oblast) |
Vendian |
|
Lophosphaeridium |
Lophosphaeridium
|
USSR(Permsk Oblast) |
Vendian |
|
Micrhystridium |
Micrhystridium
|
USSR(Urals) |
Ordovician |
|