Hystrichosphaeridium

Genus Hystrichosphaeridium

Species total:
513

Age range:
4100 - 0 MA (obsolete dating)

IRMNG:
find

Name	From	To
Hystrichosphaeridium toyetae	Ludlovian	Eifelian
Hystrichosphaeridium transculentum	Late Cretaceous	Late Cretaceous
Hystrichosphaeridium tribrachiosum	Albian	Albian
Hystrichosphaeridium tridactylites	Cretaceous	Senonian
Hystrichosphaeridium trifurcatum	Late Proterozoic	Early Devonian
Hystrichosphaeridium triplicativum	Early Ordovician	Early Ordovician
Hystrichosphaeridium triradicosum	Albian	Albian
Hystrichosphaeridium trispiculare	Ordovician	Caradocian
Hystrichosphaeridium trispinosum	Ordovician	Mississippian
Hystrichosphaeridium trisulcum	Late Ordovician	Late Ordovician
Hystrichosphaeridium truncatum	Late Devonian	Late Devonian
Hystrichosphaeridium truncigerum	Oxfordian	Middle Miocene
Hystrichosphaeridium truswelliae	Late Paleocene	Late Eocene
Hystrichosphaeridium tshunense	Middle Ordovician	Middle Ordovician
Hystrichosphaeridium tuberatum	Tremadocian	Tremadocian
Hystrichosphaeridium tuberosum	Late Givetian	Late Givetian
Hystrichosphaeridium tubifera	Albian	Maestrichtian