Genus Palaeohystrichosphaeridium

Species total:
3
Age range:
500 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Palaeohystrichosphaeridium Ordovician Ordovician
Palaeohystrichosphaeridium williereae Ashgillian Nd
Palaeohystrichosphaeridium wimanii Ashgillian Llandoverian