Type
Zone
Age range
248.3–247.6 Ma
Early Triassic
Olenekian
Neospathodus triangularis
Icriospathodus collinsoni
Neospathodus pingdingshanensis
248.3248.3248.2248.2248.1248.1248.0247.9247.9247.8247.8247.8247.7247.7247.6