Acanthodiacrodium |
Acanthodiacrodium ordinarium
|
USSR(Pre-Urals) |
Middle Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium sp
|
USSR(Pre-Urals) |
Middle Cambrian |
Late Cambrian |
Acanthorytidodiacrodium |
Acanthorytidodiacrodium sp
|
USSR(Pre-Urals) |
Middle Cambrian |
Late Cambrian |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium sp
|
USSR(Pre-Urals) |
Cambrian |
|
Baltisphaeridium |
Baltisphaeridium bicuspidatum
|
USSR(Pre-Urals) |
Middle Cambrian |
|
Baltisphaeridium |
Baltisphaeridium sp
|
USSR(Pre-Urals) |
Cambrian |
|
Baltisphaeridium |
Baltisphaeridium unicuspidatum
|
USSR(Pre-Urals) |
Middle Cambrian |
|
Bavlinella |
Bavlinella sp
|
USSR(Pre-Urals) |
Late Riphean |
Early Vendian |
Cymatiosphaera |
Cymatiosphaera sp
|
USSR(Pre-Urals) |
Cambrian |
|
Dactylofusa |
Dactylofusa sp
|
USSR(Pre-Urals) |
Late Cambrian |
|
Dasydiacrodium |
Dasydiacrodium sp
|
USSR(Pre-Urals) |
Middle Cambrian |
Late Cambrian |
Dasyrytidodiacrodium |
Dasyrytidodiacrodium sp
|
USSR(Pre-Urals) |
Late Cambrian |
|
Ethmosphaeridium |
Ethmosphaeridium sp
|
USSR(Pre-Urals) |
Middle Riphean |
Early Cambrian |
Favososphaeridium |
Favososphaeridium sp
|
USSR(Pre-Urals) |
Precambriam |
Cambrian |
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
USSR(Pre-Urals) |
Early Proterozoic |
Middle Proterozoic |
Gloeocapsamorpha |
Gloeocapsamorpha sp
|
USSR(Pre-Urals) |
Precambriam |
Cambrian |
Goryniella |
Goryniella sp
|
USSR(Pre-Urals) |
Vendian |
|