Genus Sylvanidium

Species total:
4
Age range:
570 - 263.33 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Sylvanidium Ordovician Ordovician
Sylvanidium operculatum Arenigian Early Llandoverian
Sylvanidium paucibrachium Early Paleozoic Late Ordovician
Sylvanidium sp Late Cambrian Early Permian