Nucellosphaeridium |
Nucellosphaeridium sp
|
China(Inner Mongolia) |
Early Cambrian |
|
Ocridoligotriletes |
Ocridoligotriletes kryshtofovichii
|
Sweden |
Late Cambrian |
|
Ooidium |
Ooidium rossicum
|
USSR(Estonian SSR) |
Late Cambrian |
|
Ooidium |
Ooidium rossicum
|
USSR(Leningrad) |
Tremadocian |
|
Ooidium |
Ooidium rossicum
|
USSR(Leningrad) |
Late Cambrian |
|
Ooidium |
Ooidium rossicum
|
USSR(Lithuanian SSR) |
Late Cambrian |
|
Ooidium |
Ooidium sablincaense
|
USSR(Vologda) |
Middle Cambrian |
|
Ooidium |
Ooidium sablincaense
|
USSR(Leningrad) |
Late Cambrian |
|
Orygmatosphaeridium |
Orygmatosphaeridium ruminatum
|
USSR(Russian Platform) |
Early Ordovician |
|
Orygmatosphaeridium |
Orygmatosphaeridium sp
|
Poland |
Late Cambrian |
|
Orygmatosphaeridium |
Orygmatosphaeridium sp
|
USSR(Estonian SSR) |
Late Ordovician |
|
Orygmatosphaeridium |
Orygmatosphaeridium sp
|
USSR(Siberia) |
Late Cambrian |
|
Orygmatosphaeridium |
Orygmatosphaeridium sp
|
USSR(Leningrad) |
Late Cambrian |
|
Polyedrosphaeridium |
Polyedrosphaeridium
|
USSR |
Late Precambrian |
Middle Cambrian |
Polyedrosphaeridium |
Polyedrosphaeridium bullatum
sp. nov. |
USSR(Estonian SSR) |
Early Cambrian |
|
Polyedrosphaeridium |
Polyedrosphaeridium bullatum
sp. nov. |
USSR(Krasnoyarsk Kray) |
Late Cambrian |
|
Polyedrosphaeridium |
Polyedrosphaeridium bullatum
sp. nov. |
USSR(Krasnoyarsk Kray) |
Late Cambrian |
|