Changxingium Permian Period Changhsingi Changhsingian Age Changhsingiano Lopingian Epoch Base of Mesozoic 长兴期 older bound -254.14 +|-0.07 Ma changsingiano Чангшинг Changhsingien changhsingi Changhsingien Geologic Time Scale (2018) younger bound -251.902 +|-0.024 Ma Base of Changhsingian Changsingiense changhsing Phanerozoic Eon Changhsingiën Changhsingium Ŀchangsing changhsingij Changhsing Changhsing Changhsing Čangšinjanis Early Triassic Epoch Changhsingian Triassic Period チャンシンギアン期 Paleozoic Era a1.1.3.1.1.1 Induan Age Mesozoic Era Wuchiapingian Age