Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium panderi Late Proterozoic Early Gothlandian
Archaeohystrichosphaeridium papillatum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium papillosum Early Cambrian Early Cambrian
Archaeohystrichosphaeridium paradoxum Sinian Sinian
Archaeohystrichosphaeridium parvum Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium patentissimum Middle Cambrian Llanvirnian
Archaeohystrichosphaeridium peculare Late Cambrian Late Cambrian
Archaeohystrichosphaeridium pellicidum Ordovician Early Llanvirnian
Archaeohystrichosphaeridium pentagonale Middle Cambrian Late Cambrian
Archaeohystrichosphaeridium pentagonum Middle Cambrian Silurian
Archaeohystrichosphaeridium porrectum Middle Cambrian Late Cambrian
Archaeohystrichosphaeridium primum Sinian Sinian
Archaeohystrichosphaeridium proliferum Early Paleozoic Early Paleozoic
Archaeohystrichosphaeridium protensum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium punctorium Late Cambrian Late Cambrian
Archaeohystrichosphaeridium pungens Early Cambrian Llandeilian
Archaeohystrichosphaeridium quadricorne Riphean Riphean