Genus Filisphaeridium

Species total:
106
Age range:
2600 - 1.8 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Filisphaeridium watrousense Jurassic Jurassic
Filisphaeridium williereae Ordovician Early Gedinnian
Filisphaeridium zagoraense Tremadocian Tremadocian
Filisphaeridium zhuravlevae Middle Cambrian Middle Cambrian