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Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium paucifurcatum Early Tertiary Early Tertiary
Hystrichosphaeridium sylhetii Tertiary Tertiary
Hystrichosphaeridium sp.2 Venk.& Rawa.,1972 Paleocene Eocene
Hystrichosphaeridium sp. Olar.,1971 Early Tertiary Early Tertiary
Hystrichosphaeridium magdalium Danian Danian
Hystrichosphaeridium oligacanthum Danian Danian
Hystrichosphaeridium truswelliae Late Paleocene Late Eocene
Hystrichosphaeridium granulatum Late Paleocene Eocene
Hystrichosphaeridium spinulosum Late Paleocene Middle Eocene
Hystrichosphaeridium asterium Late Paleocene Eocene
Hystrichosphaeridium latirictum Thanetian Miocene
Hystrichosphaeridium sp. Schu.& Chat.,1976 Early Landenian Early Landenian
Hystrichosphaeridium sp. Stre.et al,1977 Landenian Landenian
Hystrichosphaeridium breviatum Late Thanetian Late Eocene
Hystrichosphaeridium sp.E Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium lateraliprocessum Early Eocene Oligocene
Hystrichosphaeridium sp.D Sriv.& Bane.,1969 Eocene Oligocene