Genus Cycloposphaeridium

Species total:
3
Age range:
514 - 468.33 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Cycloposphaeridium Ordovician Early Llanvirnian
Cycloposphaeridium auriculatum Late Arenigian Early Llanvirnian
Cycloposphaeridium sp Late Cambrian Early Ordovician