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Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium laxum Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium kudrjawzevii Late Cambrian Late Cambrian
Archaeohystrichosphaeridium kaladgiense Late Precambrian Early Cambrian
Archaeohystrichosphaeridium innominatum Middle Riphean Early Cambrian
Archaeohystrichosphaeridium imperfectum Late Cambrian Wenlockian
Archaeohystrichosphaeridium impalpabile Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium ignotum Middle Riphean Early Cambrian
Archaeohystrichosphaeridium ianischewskyi Late Precambrian Arenigian
Archaeohystrichosphaeridium gracilis Early Devonian Early Devonian
Archaeohystrichosphaeridium globosum Early Cambrian Early Cambrian
Archaeohystrichosphaeridium glebosum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium gladkovae Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium girofleum Middle Cambrian Late Cambrian
Archaeohystrichosphaeridium genuinum Sinian Sinian
Archaeohystrichosphaeridium furcatum Early Paleozoic Early Paleozoic
Archaeohystrichosphaeridium flexile Early Cambrian Early Cambrian
Archaeohystrichosphaeridium extremum Late Cambrian Late Cambrian