Genus Axisphaeridium

Species total:
6
Age range:
570 - 435 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Axisphaeridium Ordovician Ordovician
Axisphaeridium cylindratum Late Ordovician Late Ordovician
Axisphaeridium sp Late Ordovician Late Ordovician
Axisphaeridium timofeevii Early Paleozoic Early Caradocian
Axisphaeridium tomentum Late Ordovician Late Ordovician
Axisphaeridium tricolumnelare Middle Ordovician Ashgillian