Genus Strablosphaeridium

Species total:
3
Age range:
500 - 444.94 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Strablosphaeridium Ordovician Ordovician
Strablosphaeridium biparietale Late Llanvirnian Late Llanvirnian
Strablosphaeridium biparietalis Early Llanvirnian Rakvere