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Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium octospinosum Late Devonian Late Devonian
Hystrichosphaeridium microsaetosum Late Devonian Late Devonian
Hystrichosphaeridium hexaster Late Devonian Late Devonian
Hystrichosphaeridium layeri Late Devonian Late Devonian
Hystrichosphaeridium truncatum Late Devonian Late Devonian
Hystrichosphaeridium brevitrispinosum Late Devonian Late Devonian
Hystrichosphaeridium minus Late Devonian Early Senonian
Hystrichosphaeridium spinoglobosum Late Devonian Late Devonian
Hystrichosphaeridium echinosum Late Devonian Late Devonian
Hystrichosphaeridium sp.B Late Devonian Miocene
Hystrichosphaeridium exoticum Famennian Famennian
Hystrichosphaeridium cooksoniae Tournaisian Maestrichtian
Hystrichosphaeridium equispinosum Early Permian Early Permian
Hystrichosphaeridium leonardianum Early Permian Early Permian
Hystrichosphaeridium maranhense Mesozoic Cenomanian
Hystrichosphaeridium longifurcatum Mesozoic Cenozoic
Hystrichosphaeridium capillare Triassic Early Jurassic