Type
Age
Age range
259.8–254.2 Ma
Lopingian
Changhsingian
Wuchiapingian
Guadalupian
Capitanian
Waiitian
Puruhauan
Flettian
260.0259.5259.0258.5258.0257.5257.0256.5256.0255.5255.0254.5254.0