In the geologic timescale, the Kungurian is an age or stage of the Permian. It is the latest or upper of four subdivisions of the Cisuralian Epoch or Series. The Kungurian lasted between and million years ago (Ma). It was preceded by the Artinskian and followed by the Roadian.
空谷期（Kungurian），又譯作空谷尔期、孔古階或昆古爾階，是地质年代二叠纪早期的烏拉爾世（或作）早期的一個期。空谷尔期在283.5到272.95百萬年之間，罗德期（Roadian）之前、亚丁斯克期（Artinskian）之後。
Abstract from DBpedia / Wikipedia · CC BY-SA
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).