Tenuofilum |
Tenuofilum
|
Australia |
Late Proterozoic |
|
Trachysphaeridium |
Trachysphaeridium
|
Nd |
Late Proterozoic |
|
Trachysphaeridium |
Trachysphaeridium apertum
|
Norway |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium apertum
|
Sweden |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium apertum
|
Greenland |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium apertum
|
Arctic Ocean |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium laminaritum
|
Norway |
Late Riphean |
Early Vendian |
Trachysphaeridium |
Trachysphaeridium laminaritum
|
Sweden |
Late Riphean |
Early Vendian |
Trachysphaeridium |
Trachysphaeridium laminaritum
|
Greenland |
Late Riphean |
Early Vendian |
Trachysphaeridium |
Trachysphaeridium laminaritum
|
Arctic Ocean |
Late Riphean |
Early Vendian |
Trachysphaeridium |
Trachysphaeridium laminaritum
|
Arizona |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium laufeldii
|
Norway |
Late Riphean |
Early Vendian |
Trachysphaeridium |
Trachysphaeridium laufeldii
|
Sweden |
Late Riphean |
Vendian |
Trachysphaeridium |
Trachysphaeridium laufeldii
|
Greenland |
Late Riphean |
Early Vendian |
Trachysphaeridium |
Trachysphaeridium laufeldii
|
Arizona |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium laufeldii
|
Arctic Ocean |
Late Riphean |
Early Vendian |
Trachysphaeridium |
Trachysphaeridium leve
|
Norway |
Late Riphean |
Early Cambrian |