Type
Age
Age range
254.2–253.2 Ma
Lopingian
Changhsingian
Wuchiapingian
Makarewan
Waiitian
Puruhauan
254.2254.2254.1254.1254.0253.9253.9253.8253.8253.8253.7253.7253.6253.6253.5253.4253.4253.3253.3253.3253.2