Leiofusa |
Leiofusa sp
|
USSR(Leningrad) |
Early Tremadocian |
|
Leiofusa |
Leiofusa squama
|
USSR(Leningrad) |
Late Cambrian |
|
Leiosphaeridia |
Leiosphaeridia bicrura
|
USSR(Leningrad) |
Early Cambrian |
Middle Cambrian |
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Leningrad) |
Early Cambrian |
Middle Cambrian |
Lophomarginata |
Lophomarginata corollata
|
USSR(Leningrad) |
Early Cambrian |
Middle Cambrian |
Lophomarginata |
Lophomarginata glumacea
|
USSR(Leningrad) |
Early Cambrian |
Middle Cambrian |
Lophomarginata |
Lophomarginata izhorica
|
USSR(Leningrad) |
Early Cambrian |
Middle Cambrian |
Lophosphaeridium |
Lophosphaeridium sp
|
USSR(Leningrad) |
Late Cambrian |
Early Tremadocian |
Micrhystridium |
Micrhystridium sp
|
USSR(Leningrad) |
Early Cambrian |
Middle Cambrian |
Ooidium |
Ooidium rossicum
|
USSR(Leningrad) |
Early Tremadocian |
|
Ooidium |
Ooidium timofeevii
|
USSR(Leningrad) |
Late Cambrian |
Early Tremadocian |
Ovulum |
Ovulum sp
|
USSR(Leningrad) |
Early Cambrian |
Middle Cambrian |
Polygonium |
Polygonium sp
sp. nov. |
USSR(Leningrad) |
Late Cambrian |
|
Polygonium |
Polygonium sp
|
USSR(Leningrad) |
Late Cambrian |
Early Tremadocian |
Schizodiacrodium |
Schizodiacrodium sp
|
USSR(Leningrad) |
Late Cambrian |
|
Schizodiacrodium |
Schizodiacrodium sp
sp. nov. |
USSR(Leningrad) |
Late Cambrian |
|
Stelliferidium |
Stelliferidium cortinulum
|
USSR(Leningrad) |
Late Cambrian |
|