Trachysphaeridium |
Trachysphaeridium leve
|
Sweden |
Late Riphean |
Vendian |
Trachysphaeridium |
Trachysphaeridium leve
|
Greenland |
Late Riphean |
Early Cambrian |
Trachysphaeridium |
Trachysphaeridium leve
|
Arctic Ocean |
Early Vendian |
|
Trachysphaeridium |
Trachysphaeridium leve
|
Arizona |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium sp
|
Norway |
Vendian |
|
Trachysphaeridium |
Trachysphaeridium sp
|
Greenland |
Vendian |
|
Trachysphaeridium |
Trachysphaeridium timofeevii
|
Norway |
Late Riphean |
Vendian |
Trachysphaeridium |
Trachysphaeridium timofeevii
|
Sweden |
Late Riphean |
Early Vendian |
Trachysphaeridium |
Trachysphaeridium timofeevii
|
Greenland |
Late Riphean |
Early Cambrian |
Trachysphaeridium |
Trachysphaeridium timofeevii
|
Arctic Ocean |
Late Riphean |
Early Vendian |
Tyrasotaenia |
Tyrasotaenia podolica
|
Norway |
Late Vendian |
Early Cambrian |
Tyrasotaenia |
Tyrasotaenia podolica
|
Sweden |
Late Vendian |
Early Cambrian |
Tyrasotaenia |
Tyrasotaenia podolica
|
Greenland |
Late Vendian |
Early Cambrian |
Vandalosphaeridium |
Vandalosphaeridium reticulatum
|
Norway |
Early Vendian |
|
Vandalosphaeridium |
Vandalosphaeridium reticulatum
|
Sweden |
Early Vendian |
|
Vandalosphaeridium |
Vandalosphaeridium reticulatum
|
Arctic Ocean |
Early Vendian |
|
Vandalosphaeridium |
Vandalosphaeridium varangeri
|
Norway |
Early Vendian |
|