Hystrichosphaeridium |
Hystrichosphaeridium sp
|
USSR(Pre-Urals) |
Middle Cambrian |
Late Cambrian |
Kildinella |
Kildinella hyperboreica
|
USSR(Pre-Urals) |
Riphean |
|
Kildinella |
Kildinella sinica
|
USSR(Pre-Urals) |
Riphean |
|
Kildinella |
Kildinella sp
|
USSR(Pre-Urals) |
Riphean |
Cambrian |
Laminarites |
Laminarites sp
|
USSR(Pre-Urals) |
Vendian |
|
Leiofusa |
Leiofusa sp
|
USSR(Pre-Urals) |
Late Cambrian |
|
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Pre-Urals) |
Precambriam |
Cambrian |
Lophodiacrodium |
Lophodiacrodium sp
|
USSR(Pre-Urals) |
Cambrian |
|
Lophodiacrodium |
Lophodiacrodium valdaicum
|
USSR(Pre-Urals) |
Middle Cambrian |
|
Lophorytidodiacrodium |
Lophorytidodiacrodium sp
|
USSR(Pre-Urals) |
Cambrian |
|
Lophosphaeridium |
Lophosphaeridium sp
|
USSR(Pre-Urals) |
Vendian |
Cambrian |
Macroptycha |
Macroptycha sp
|
USSR(Pre-Urals) |
Middle Riphean |
Cambrian |
Macroptycha |
Macroptycha uniplicata
|
USSR(Pre-Urals) |
Late Riphean |
|
Majaphyton |
Majaphyton
|
USSR(Pre-Urals) |
Riphean |
|
Majaphyton |
Majaphyton antiqua
sp. nov. |
USSR(Pre-Urals) |
Riphean |
|
Nucellohystrichosphaera |
Nucellohystrichosphaera sp
|
USSR(Pre-Urals) |
Late Riphean |
|
Nucellosphaeridium |
Nucellosphaeridium minutum
|
USSR(Pre-Urals) |
Late Riphean |
|