Filisphaeridium |
Filisphaeridium sp
|
Canada(Quebec) |
Middle Cambrian |
|
Lophosphaeridium |
Lophosphaeridium truncatum
|
Canada(Quebec) |
Early Cambrian |
Middle Cambrian |
Goniosphaeridium |
Goniosphaeridium implicatum
|
Canada(Quebec) |
Middle Cambrian |
|
Goniosphaeridium |
Goniosphaeridium varium
|
Canada(Quebec) |
Middle Cambrian |
|
Lophosphaeridium |
Lophosphaeridium sp
|
Canada(Quebec) |
Early Cambrian |
Middle Cambrian |
Skiagia |
Skiagia brevispinosa
|
Canada(Quebec) |
Early Cambrian |
Middle Cambrian |
Baltisphaeridium |
Baltisphaeridium sp
|
Canada(Quebec) |
Late Cambrian |
Early Ordovician |
Skiagia |
Skiagia scottica
|
Canada(Quebec) |
Early Cambrian |
|
Cristallinium |
Cristallinium cambriense
|
Canada(Quebec) |
Middle Cambrian |
Late Cambrian |
Eliasum |
Eliasum llaniscum
|
Canada(Quebec) |
Middle Cambrian |
|
Annulum |
Annulum squamaceum
|
Canada(Quebec) |
Early Cambrian |
Middle Cambrian |
Retisphaeridium |
Retisphaeridium sp
|
Canada(Quebec) |
Early Cambrian |
Middle Cambrian |
Acrum |
Acrum sp
|
Canada(Quebec) |
Early Cambrian |
Middle Cambrian |
Cymatiosphaera |
Cymatiosphaera sp
|
Canada(Quebec) |
Early Cambrian |
Middle Cambrian |
Skiagia |
Skiagia ornata
|
Canada(Quebec) |
Early Cambrian |
|
Eliasum |
Eliasum jennessii
|
Canada(Quebec) |
Middle Cambrian |
|
Micrhystridium |
Micrhystridium longum
|
Canada(Quebec) |
Early Cambrian |
|