Lukousaurus is a taxon based on most of a small skull’s snout, displaying distinctive lachrymal horns, found in the Early Jurassic-age Lower Lufeng Formation, Yunnan, China and was described by Chung Chien Young in 1948.The generic name refers to the Lugou Bridge, lit. “crossroads”, near Beijing, where the Sino-Japanese War started.L. yini is tentatively classified as a theropod dinosaur by some allied to ceratosaurs, by others a coelurosaur.