Archaeohystrichosphaeridium

Genus Archaeohystrichosphaeridium

Species total:
126

Age range:
4100 - 141 MA (obsolete dating)

IRMNG:
find

Name	From	To
Archaeohystrichosphaeridium duplicativum	Late Proterozoic	Early Ordovician
Archaeohystrichosphaeridium innominatum	Middle Riphean	Early Cambrian
Archaeohystrichosphaeridium ignotum	Middle Riphean	Early Cambrian
Archaeohystrichosphaeridium vologdense	Middle Riphean	Early Cambrian
Archaeohystrichosphaeridium resistens	Sinian	Sinian
Archaeohystrichosphaeridium paradoxum	Sinian	Sinian
Archaeohystrichosphaeridium primum	Sinian	Sinian
Archaeohystrichosphaeridium oblongum	Sinian	Llanvirnian
Archaeohystrichosphaeridium testudine	Sinian	Sinian
Archaeohystrichosphaeridium genuinum	Sinian	Sinian
Archaeohystrichosphaeridium flexile	Early Cambrian	Early Cambrian
Archaeohystrichosphaeridium sp.1	Cambrian	Cambrian
Archaeohystrichosphaeridium operculatum	Cambrian	Early Ordovician
Archaeohystrichosphaeridium complicatum	Cambrian	Cambrian
Archaeohystrichosphaeridium anatropum	Early Cambrian	Early Cambrian
Archaeohystrichosphaeridium apsilatum	Early Cambrian	Early Cambrian
Archaeohystrichosphaeridium minor	Early Paleozoic	Ordovician