Here, two dinosaur teeth are discovered from the Lower Cretaceous Jiufotang Formation in Longcheng, Chaoyang, western Liaoning, China. This discovery marks a new fossil site for the Jehol Biota, characterized by three-dimensionally preserved fossils. Based on comprehensive morphological comparisons, the teeth can be assigned to Theropoda and early-diverging Titanosauriformes. The theropod tooth, with a preserved length of 47.8 mm, represents a distinct taxon separate from