Genus Hystrichosphaera

Species total:
88
Age range:
1600 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaera tertiaria Early Santonian Nd
Hystrichosphaera cingulata Cretaceous Recent
Hystrichosphaera mirabilis Early Oligocene Recent
Hystrichosphaera nodosa Pleistocene Holocene
Hystrichosphaera granomembranacea Jackson Jackson
Hystrichosphaera sergipensis Early Eocene Early Eocene
Hystrichosphaera rhizopodiphora Nd Nd
Hystrichosphaera inconspicua Arenigian Arenigian
Hystrichosphaera turbilineata Nd Nd
Hystrichosphaera clavigera Cretaceous Cretaceous
Hystrichosphaera sp.A Drug.,1967 Danian Danian
Hystrichosphaera asteroidea Late Cretaceous Late Cretaceous
Hystrichosphaera nodos Recent Recent
Hystrichosphaera assamica Eocene Eocene
Hystrichosphaera salpingophora Late Turonian Late Turonian
Hystrichosphaera perforata Ypresian Ypresian
Hystrichosphaera oligacanthum Danian Danian