Hystrichosphaeridium

Genus Hystrichosphaeridium

Species total:
513

Age range:
4100 - 0 MA (obsolete dating)

IRMNG:
find

Name	From	To
Hystrichosphaeridium mantellii	Late Jurassic	Turonian
Hystrichosphaeridium maranhense	Mesozoic	Cenomanian
Hystrichosphaeridium marginatum	Early Ordovician	Early Ordovician
Hystrichosphaeridium mariannae	Late Cretaceous	Late Cretaceous
Hystrichosphaeridium marsupium	Albian	Albian
Hystrichosphaeridium maslovii	Middle Ordovician	Middle Ordovician
Hystrichosphaeridium maximum	Early Ordovician	Early Ordovician
Hystrichosphaeridium membranaceum	Late Cretaceous	Late Cretaceous
Hystrichosphaeridium mensula	Late Cretaceous	Danian
Hystrichosphaeridium meson	Late Llandoverian	Late Ludlovian
Hystrichosphaeridium mespilanum	Nd	Nd
Hystrichosphaeridium microcystis	Ordovician	Ordovician
Hystrichosphaeridium microfurcatum	Siegenian	Siegenian
Hystrichosphaeridium microsaetosum	Late Devonian	Late Devonian
Hystrichosphaeridium microspinosum	Silurian	Late Llandoverian
Hystrichosphaeridium microtriainum	Senonian	Early Oligocene
Hystrichosphaeridium mineralosum	Early Cretaceous	Oligocene