Genus Bacisphaeridium

Species total:
6
Age range:
4100 - 230 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Bacisphaeridium Ordovician Permian
Bacisphaeridium bacifer Early Paleozoic Silurian
Bacisphaeridium baciferum Nd Nd
Bacisphaeridium granulatum Middle Ashgillian Middle Ashgillian
Bacisphaeridium saetosum Middle Ashgillian Middle Ashgillian
Bacisphaeridium sp Precambriam Early Devonian