Shanyangosaurus (meaning "Shanyang lizard") is a genus of theropod dinosaur found in Shaanxi, China, and known only from a partial sacrum, partial scapula, humeri, femur, tibia, metatarsals, and phalanges found in the Maastrichtian aged Shanyang Formation.Shanyangosaurus in the Palaeobiology Database"Table 4.1," in Weishampel, et al. (2004). Page 77. The bones are reportedly hollow;Xue, Zhang, Bi, Yue and Chen (1996). The development and environmental changes of the intermontane basins in the Eastern part of Qinling Mountains. Geological Publishing House, Beijing. . 179 pages. this, along with other features of the femur and known foot bones, suggest it is a member of the coelurosauria, but a specific family cannot be determined without more material. Holtz et al. assigned Shanyangosaurus to Avetheropoda.T. R. Holtz, R. E. Molnar, and P. J. Currie (2004). Basal Tetanurae. In D. B. Weishampel, P. Dodson, & H. Osmólska (eds.), The Dinosauria (second edition). University of California Press, Berkeley 71-110
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