Archaeohystrichosphaeridium

Genus Archaeohystrichosphaeridium

Species total:
126

Age range:
4100 - 141 MA (obsolete dating)

IRMNG:
find

Name	From	To
Archaeohystrichosphaeridium ellipsoideum	Early Ordovician	Early Ordovician
Archaeohystrichosphaeridium eisenacki	Early Ordovician	Early Ordovician
Archaeohystrichosphaeridium edentatum	Middle Cambrian	Middle Cambrian
Archaeohystrichosphaeridium duplicativum	Late Proterozoic	Early Ordovician
Archaeohystrichosphaeridium dorofeevii	Cambrian	Middle Cambrian
Archaeohystrichosphaeridium divaricans	Late Cambrian	Late Cambrian
Archaeohystrichosphaeridium diploporum	Middle Cambrian	Middle Cambrian
Archaeohystrichosphaeridium diadromum	Late Cambrian	Late Cambrian
Archaeohystrichosphaeridium denticulatum	Late Proterozoic	Tremadocian
Archaeohystrichosphaeridium dentatum	Late Cambrian	Ashgillian
Archaeohystrichosphaeridium delcatum	Middle Cambrian	Middle Cambrian
Archaeohystrichosphaeridium deflandrei	Emsian	Strunian
Archaeohystrichosphaeridium dasyacanthum	Early Cambrian	Late Cambrian
Archaeohystrichosphaeridium czarnockii	Ordovician	Caradocian
Archaeohystrichosphaeridium cuspidatum	Middle Cambrian	Early Arenigian
Archaeohystrichosphaeridium curvativum	Middle Cambrian	Middle Cambrian
Archaeohystrichosphaeridium cuneidentatum	Early Cambrian	Middle Ordovician