Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium triviale Middle Cambrian Arenigian
Archaeohystrichosphaeridium truncatum Late Proterozoic Cambrian
Archaeohystrichosphaeridium unguisum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium vastum Early Cambrian Early Cambrian
Archaeohystrichosphaeridium vologdense Middle Riphean Early Cambrian
Archaeohystrichosphaeridium waltzii Late Cambrian Late Cambrian
Archaeohystrichosphaeridium zalesskyi Late Precambrian Middle Emsian