Type
Zone
Age range
432.6–432.3 Ma
Wenlock
Sheinwoodian
Ozarkodina sagitta rhenana
Kockelella ranuliformis
Pterospathodus pennatus procerus
432.60432.58432.56432.54432.52432.50432.48432.46432.44432.42432.40432.38432.36432.34432.32432.30