Genus Pyritonema

Species total:
4
Age range:
478.33 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Pyritonema delicata Late Ordovician Late Ordovician
Pyritonema fasciculus Late Ordovician Late Ordovician
Pyritonema minuta Middle Ordovician Middle Ordovician
Pyritonema subulare Late Ordovician Late Ordovician