Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium peculare Late Cambrian Late Cambrian
Archaeohystrichosphaeridium patentissimum Middle Cambrian Llanvirnian
Archaeohystrichosphaeridium parvum Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium paradoxum Sinian Sinian
Archaeohystrichosphaeridium papillosum Early Cambrian Early Cambrian
Archaeohystrichosphaeridium papillatum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium panderi Late Proterozoic Early Gothlandian
Archaeohystrichosphaeridium ovale Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium operculatum Cambrian Early Ordovician
Archaeohystrichosphaeridium oblongum Sinian Llanvirnian
Archaeohystrichosphaeridium nalivkinii Late Cambrian Late Cambrian
Archaeohystrichosphaeridium mutiens Early Cambrian Early Cambrian
Archaeohystrichosphaeridium minor Early Paleozoic Ordovician
Archaeohystrichosphaeridium minimum Late Cambrian Late Jurassic
Archaeohystrichosphaeridium mickwitzii Late Cambrian Late Cambrian
Archaeohystrichosphaeridium macroreticulatum Late Precambrian Late Precambrian
Archaeohystrichosphaeridium lueberi Late Cambrian Late Cambrian