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Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium baciferum Late Proterozoic Cambrian
Hystrichosphaeridium longispinosum Early Cambrian Early Mississippian
Hystrichosphaeridium clavatum Cambrian Cambrian
Hystrichosphaeridium insigne Early Cambrian Middle Cambrian
Hystrichosphaeridium tolboschana Early Cambrian Middle Cambrian
Hystrichosphaeridium quadridactylites Early Paleozoic Late Devonian
Hystrichosphaeridium setigerfurcatum Cambrian Llanvirnian
Hystrichosphaeridium annulatum Cambrian Cambrian
Hystrichosphaeridium mutabile Middle Cambrian Middle Cambrian
Hystrichosphaeridium hirsutoides Middle Cambrian Middle Cambrian
Hystrichosphaeridium rotundatum Middle Cambrian Middle Cambrian
Hystrichosphaeridium pateum Middle Cambrian Middle Cambrian
Hystrichosphaeridium sp. Eise.,1951 Late Cambrian Middle Gothlandian
Hystrichosphaeridium brevispinosum Late Cambrian Late Eocene
Hystrichosphaeridium longispinosoides Late Cambrian Middle Ordovician
Hystrichosphaeridium sexradiatum Late Cambrian Tremadocian
Hystrichosphaeridium conspicuum Late Cambrian Late Cambrian