Type
Zone
Age range
261.8–260.3 Ma
Guadalupian
Capitanian
Clarkina postitteri hongshuiensis
Jinogondolella granti
Jinogondolella prexuanhanensis
261.8261.7261.6261.5261.4261.3261.2261.1261.0260.9260.8260.7260.6260.5260.4260.3