Genus Palaiosphaeridium

Species total:
7
Age range:
500 - 425 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Palaiosphaeridium Tremadocian Tremadocian
Palaiosphaeridium francinae Middle Ordovician Middle Ordovician
Palaiosphaeridium kamax Tremadocian Tremadocian
Palaiosphaeridium mikrum Tremadocian Tremadocian
Palaiosphaeridium sp Kosovian Early Telychian
Palaiosphaeridium sp. Li,1990 Arenigian Arenigian
Palaiosphaeridium sp.A Turn.,1984 Soudleyan Onnian