Revinotesta |
Revinotesta izhorica
|
Baltic |
Early Cambrian |
|
Aranidium |
Aranidium izhoricum
|
Baltic |
Early Cambrian |
|
Heliosphaeridium |
Heliosphaeridium oligum
|
Baltic |
Early Cambrian |
|
Micrhystridium |
Micrhystridium oligum
|
Baltic |
Early Cambrian |
|
Revinotesta |
Revinotesta saccata
|
Baltic |
Early Cambrian |
|
Ovulum |
Ovulum saccatum
|
Baltic |
Early Cambrian |
|
Revinotesta |
Revinotesta sparsa
|
Baltic |
Early Cambrian |
|
Aranidium |
Aranidium sparsum
|
Baltic |
Early Cambrian |
|
Heliosphaeridium |
Heliosphaeridium lanceolatum
|
Belgium |
Middle Cambrian |
|
Comasphaeridium |
Comasphaeridium silesiense
|
Bothnian Gulf/Sea |
Middle Cambrian |
|
Comasphaeridium |
Comasphaeridium silesiense
|
Canada(Alberta) |
Late Cambrian |
Tremadocian |
Solisphaeridium |
Solisphaeridium
|
Canada(Quebec) |
Middle Ordovician |
|
Revinotesta |
Revinotesta comosa
|
Czechoslovakia |
Late Ordovician |
|
Aranidium |
Aranidium comosum
|
Czechoslovakia |
Late Ordovician |
|
Heliosphaeridium |
Heliosphaeridium exile
|
Estonia |
Late Cambrian |
|
Revinotesta |
Revinotesta
|
France(Ardennes) |
Cambrian |
|
Heliosphaeridium |
Heliosphaeridium lanceolatum
|
France(Ardennes) |
Cambrian |
|