Hystrichosphaeridium

Genus Hystrichosphaeridium

Species total:
513

Age range:
4100 - 0 MA (obsolete dating)

IRMNG:
find

Name	From	To
Hystrichosphaeridium fucosum	Wenlockian	Wenlockian
Hystrichosphaeridium echinosum	Late Devonian	Late Devonian
Hystrichosphaeridium stellaeforme	Early Ordovician	Early Ordovician
Hystrichosphaeridium microcystis	Ordovician	Ordovician
Hystrichosphaeridium maslovii	Middle Ordovician	Middle Ordovician
Hystrichosphaeridium asteroideum	Late Cretaceous	Late Cretaceous
Hystrichosphaeridium sp.1 Math.,1963	Eocene	Eocene
Hystrichosphaeridium dissimilare	Jurassic	Jurassic
Hystrichosphaeridium borracherosum	Late Ordovician	Late Ordovician
Hystrichosphaeridium podolicum	Late Ordovician	Late Ordovician
Hystrichosphaeridium dictyum	Bartonian	Bartonian
Hystrichosphaeridium type 1	Tortonian	Tortonian
Hystrichosphaeridium zonale	Early Ordovician	Early Ordovician
Hystrichosphaeridium ukaiense	Middle Miocene	Middle Miocene
Hystrichosphaeridium annulatum	Cambrian	Cambrian
Hystrichosphaeridium penicillatum	Late Oxfordian	Late Oxfordian
Hystrichosphaeridium quadrangulatum	Early Clintonian	Early Clintonian