Genus Hystrichosphaera

Species total:
88
Age range:
1600 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaera membranacea Campanian Recent
Hystrichosphaera membranosa Eocene Eocene
Hystrichosphaera mensula Late Cretaceous Danian
Hystrichosphaera minima Jackson Jackson
Hystrichosphaera mirabilis Early Oligocene Recent
Hystrichosphaera monilis Early Eocene Early Eocene
Hystrichosphaera nodos Recent Recent
Hystrichosphaera nodosa Pleistocene Holocene
Hystrichosphaera oligacanthum Danian Danian
Hystrichosphaera ovum Cretaceous Middle Miocene
Hystrichosphaera paradoxa Senonian Early Campanian
Hystrichosphaera pedata Late Cretaceous Danian
Hystrichosphaera penicillata Late Oxfordian Nd
Hystrichosphaera perforata Ypresian Ypresian
Hystrichosphaera pilosa Oxfordian Danian
Hystrichosphaera porosa Albian Early Campanian
Hystrichosphaera pseudofurcata Neocomian Oligocene