Wuchianpingum Wuchiapingiano wuchiaping wuchiapingi Wuchiapingiense Wuchiaping Wuchiaping Wuchiapingien Wuchiapingien Geologic Time Scale (2018) younger bound -254.14 +|-0.07 Ma Base of Changhsingian wuchiapingij Lopingian Epoch wuťiapching Wuchiapingian Age Wuchiaiping a1.1.3.1.1.2 wuchiapingiano older bound -259.1 +|-0.5 Ma Paleozoic Era Capitanian Age Base of Lopingian Wuchiapingiën Guadalupian Epoch Wuchiapingian ウキアピンギアン期 吴家坪期 Wuchiapingium Wuchiapingi Permian Period Phanerozoic Eon VuĿiapingis Вучиапинг Changhsingian Age