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Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium quadricorne Riphean Riphean
Archaeohystrichosphaeridium innominatum Middle Riphean Early Cambrian
Archaeohystrichosphaeridium ignotum Middle Riphean Early Cambrian
Archaeohystrichosphaeridium vologdense Middle Riphean Early Cambrian
Archaeohystrichosphaeridium paradoxum Sinian Sinian
Archaeohystrichosphaeridium primum Sinian Sinian
Archaeohystrichosphaeridium oblongum Sinian Llanvirnian
Archaeohystrichosphaeridium testudine Sinian Sinian
Archaeohystrichosphaeridium genuinum Sinian Sinian
Archaeohystrichosphaeridium resistens Sinian Sinian
Archaeohystrichosphaeridium apsilatum Early Cambrian Early Cambrian
Archaeohystrichosphaeridium minor Early Paleozoic Ordovician
Archaeohystrichosphaeridium sp.4 Cambrian Cambrian
Archaeohystrichosphaeridium papillosum Early Cambrian Early Cambrian
Archaeohystrichosphaeridium stipiforme Early Cambrian Early Cambrian
Archaeohystrichosphaeridium dorofeevii Cambrian Middle Cambrian
Archaeohystrichosphaeridium mutiens Early Cambrian Early Cambrian