Jiangshanian

thumb|Mount Jianglang of Jiangshan thumb|Jianglang mountain (江郎山), Jiangshan

The Jiangshanian is the middle stage of the Furongian series. It follows the Paibian Stage and is succeeded by the still unnamed Stage 10 of the Cambrian. The base is defined as the first appearance of the trilobite Agnostotes orientalis which is estimated to be million years ago. The Jiangshanian lasted until approximately million years ago.