Lopingiense lopingij older bound -259.1 +|-0.5 Ma Geologic Time Scale (2020) Лопинг 乐平世 Phanerozoic Eon Lopingian Epoch Lopingian Loping Loping Loping Loping Permian Period Lopingis loping loping Changhsingian Age lopingiano Lopingiën Paleozoic Era Lopingien Lopingien lopingi Base of Lopingian Wuchiapingian Age Mesozoic Era Base of Mesozoic Early Triassic Epoch a1.1.3.1.1 Triassic Period ロピンギアン世 Induan Age Lopingiano younger bound -251.902 +|-0.024 Ma Lopingium Lopingium Guadalupian Epoch