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Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium arundum Hauterivian Coniacian
Hystrichosphaeridium whitei Cretaceous Coniacian
Hystrichosphaeridium asymmetricum Middle Clintonian Santonian
Hystrichosphaeridium pterophorum Turonian Santonian
Hystrichosphaeridium conispiniferum Turonian Campanian
Hystrichosphaeridium sp.A Dave.,1978 Teratan Piripauan
Hystrichosphaeridium striatoconum Albian Campanian
Hystrichosphaeridium paracostatum Albian Campanian
Hystrichosphaeridium echinatum Turonian Campanian
Hystrichosphaeridium pulcherrimum Late Jurassic Late Campanian
Hystrichosphaeridium sp.3 Stre.et al,1977 Late Campanian Early Maastrichtian
Hystrichosphaeridium sp.1 Stre.et al,1977 Late Campanian Early Maastrichtian
Hystrichosphaeridium sp.2 Stre.et al,1977 Late Campanian Early Maastrichtian
Hystrichosphaeridium sp.3 McIn.,1974 Albian Maastrichtian
Hystrichosphaeridium cooksoniae Tournaisian Maestrichtian
Hystrichosphaeridium tridactylites Cretaceous Senonian
Hystrichosphaeridium tubifera Albian Maestrichtian