Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium unictispina Middle Cretaceous Middle Cretaceous
Hystrichosphaeridium sp.27 Hauterivian Hauterivian
Hystrichosphaeridium sp. Goch.,1952 Nd Nd
Hystrichosphaeridium magnarmatum Albian Albian
Hystrichosphaeridium microsaetosum Late Devonian Late Devonian
Hystrichosphaeridium aculeatum Ordovician Ordovician
Hystrichosphaeridium reticulatum Llandeilian Llandeilian
Hystrichosphaeridium cantharellus Late Oligocene Late Oligocene
Hystrichosphaeridium redonense Holocene Holocene
Hystrichosphaeridium tribrachiosum Albian Albian
Hystrichosphaeridium flosculus Cretaceous Cretaceous
Hystrichosphaeridium hexaster Late Devonian Late Devonian
Hystrichosphaeridium sp.AE Early Cretaceous Early Cretaceous
Hystrichosphaeridium conspicuum Late Cambrian Late Cambrian
Hystrichosphaeridium sp.2 Math.,1964 Eocene Eocene
Hystrichosphaeridium oligacanthum Danian Danian
Hystrichosphaeridium paraense Early Miocene Early Miocene