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Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium arenigum Precambriam Ordovician
Archaeohystrichosphaeridium panderi Late Proterozoic Early Gothlandian
Archaeohystrichosphaeridium sp Precambriam Wenlockian
Archaeohystrichosphaeridium imperfectum Late Cambrian Wenlockian
Archaeohystrichosphaeridium pentagonum Middle Cambrian Silurian
Archaeohystrichosphaeridium acanthaceum Early Cambrian Gedinnian
Archaeohystrichosphaeridium zalesskyi Late Precambrian Middle Emsian
Archaeohystrichosphaeridium cellulare Precambriam Middle Eifelian
Archaeohystrichosphaeridium deflandrei Emsian Strunian
Archaeohystrichosphaeridium cinctum Tremadocian Early Permian
Archaeohystrichosphaeridium Precambriam Paleozoic
Archaeohystrichosphaeridium minimum Late Cambrian Late Jurassic
Archaeohystrichosphaeridium macroreticulatum Late Precambrian Late Precambrian
Archaeohystrichosphaeridium triplicatum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium mutiens Early Cambrian Early Cambrian
Archaeohystrichosphaeridium divaricans Late Cambrian Late Cambrian
Archaeohystrichosphaeridium septigerum Early Cambrian Early Cambrian