Leiosphaeridia |
Leiosphaeridia minor
|
USSR(Urals) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia parva
|
USSR(Ukrainian SSR) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia pellucida
|
USSR(Urals) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia pruniformis
|
USSR(Ukrainian SSR) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Urals) |
Riphean |
Vendian |
Leiosphaeridia |
Leiosphaeridia sp
|
Utah |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia undulata
|
USSR(Ukrainian SSR) |
Vendian |
|
Leiosphaeridia |
Leiosphaeridia volynica
|
USSR(Ukrainian SSR) |
Vendian |
|
Leiothrichoides |
Leiothrichoides gracilis
|
USSR(Ukrainian SSR) |
Vendian |
|
Leiothrichoides |
Leiothrichoides sp
|
USSR(Urals) |
Riphean |
Vendian |
Leiothrichoides |
Leiothrichoides tipicus
|
USSR(Urals) |
Late Riphean |
Vendian |
Leiothrichoides |
Leiothrichoides tipicus
|
USSR(Ukrainian SSR) |
Vendian |
|
Ljadovia |
Ljadovia perforata
|
USSR(Ukrainian SSR) |
Vendian |
|
Margominuscula |
Margominuscula rugosa
|
USSR(Urals) |
Middle Riphean |
|
Micrhystridium |
Micrhystridium sp. Yank.,1982
sp. nov. |
USSR(Urals) |
Early Riphean |
|
Nucellosphaeridium |
Nucellosphaeridium minutum
|
USSR(Urals) |
Middle Riphean |
Vendian |
Nucellosphaeridium |
Nucellosphaeridium sp
|
USSR(Ukrainian SSR) |
Vendian |
|