Baltisphaeridium |
Baltisphaeridium
|
Italy |
Early Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium
|
Canada(Newfoundland) |
Early Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium
|
Iran |
Early Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium
|
Africa(N.Africa) |
Early Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium
|
Argentina |
Early Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium
|
North America |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium
|
China |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium capillatum
|
USSR(Leningrad) |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium capillatum
|
Estonia |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium capillatum
|
USSR(Yaroslav) |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium capillatum
|
Russia |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium capillatum
|
Estonia |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium capillatum
|
Sweden |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium capillatum
|
Norway |
Late Cambrian |
|
Calyxiella |
Calyxiella izhoriensis
|
USSR(Arkhangelsk Oblast) |
Late Cambrian |
|
Calyxiella |
Calyxiella izhoriensis
|
USSR(Leningrad) |
Late Cambrian |
|
Calyxiella |
Calyxiella izhoriensis
|
Russia |
Late Cambrian |
|