This paper reports Early Paleozoic palynomorphs from the Early Cambrian Hetang Formation, the Late Cambrian Huayansi Formation, the Early Ordovician Ningguo Formation, the Late Ordovician Changwu Formation and Wenchang Formation, the Early Silurian Xiaxiang Formation, Helixi Formation and Kangshan Formation, and the Middle Silurian Tangjiawu Formation in the northwestern