The Zuoyun Formation is an Early Cretaceous (estimated Albian) geologic formation in Shanxi Province, China.Yu, J.-X. (1986) The sporo-pollen assemblage from the Zuoyun Formation in Northwestern Shanxi and paleoclimate. Geological Review (Dizhi Lunping) Vol. 32:3, pg. 217- 224 Dinosaur fossils attributable to the genus level are known from this formation. During the Early Cretaceous, the Zuoyun area was generally dominated by an arid subtropical environment. There was irregular alternation of arid and humid climate, during which catastrophic flooding resulted in thick proluvial fan conglomerate-mudstone deposits.
Dinosaurs Remains of the following dinosaurs have been found in the formation:
Dinosaurs Genus Species Location Stratigraphic position Material Notes Images Yanbeilong Y. ultimus Sacrum, pelvic girdle, dorsal vertebrae, and one caudal vertebra A stegosaurine stegosaurid
See also List of dinosaur-bearing rock formations
References