Genus Polychaetaspis

Species total:
21
Age range:
500 - 395 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Polychaetaspis tuberculatus Ordovician Late Ordovician
Polychaetaspis varsoviensis Middle Ordovician Late Ashgillian
Polychaetaspis warkae Ordovician Silurian
Polychaetaspis wyszogrodensis Ordovician Wenlockian