Olenekian
n. 奥伦尼克阶
例句
One of the GSSP (Global Stratotype Section and Point) candidates for the Induan-Olenekian boundary is situated in Chaohu, central Anhui Province, southeast China.
印度阶-奥伦尼克阶界线的全球层型候选剖面之一位于安徽巢湖地区；
