Shi, Q., He, W. and Chen, S. 2014. A new species of Shaanxispira (Bovidae, Artiodactyla) from the upper Miocene of China. Zootaxa. 3794, 4 (May 2014), 501–513. DOI:https://doi.org/10.11646/zootaxa.3794.4.1.