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Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium ignotum Middle Riphean Early Cambrian
Archaeohystrichosphaeridium impalpabile Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium imperfectum Late Cambrian Wenlockian
Archaeohystrichosphaeridium innominatum Middle Riphean Early Cambrian
Archaeohystrichosphaeridium kaladgiense Late Precambrian Early Cambrian
Archaeohystrichosphaeridium kudrjawzevii Late Cambrian Late Cambrian
Archaeohystrichosphaeridium laxum Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium lueberi Late Cambrian Late Cambrian
Archaeohystrichosphaeridium macroreticulatum Late Precambrian Late Precambrian
Archaeohystrichosphaeridium mickwitzii Late Cambrian Late Cambrian
Archaeohystrichosphaeridium minimum Late Cambrian Late Jurassic
Archaeohystrichosphaeridium minor Early Paleozoic Ordovician
Archaeohystrichosphaeridium mutiens Early Cambrian Early Cambrian
Archaeohystrichosphaeridium nalivkinii Late Cambrian Late Cambrian
Archaeohystrichosphaeridium oblongum Sinian Llanvirnian
Archaeohystrichosphaeridium operculatum Cambrian Early Ordovician
Archaeohystrichosphaeridium ovale Middle Cambrian Middle Cambrian