Liu, D., Chiappe, L. M., Zhang, Y., Bell, A., Meng, Q., Ji, Q., & Wang, X. (2014). An advanced, new long-legged bird from the Early Cretaceous of the Jehol Group (northeastern China): insights into the temporal divergence of modern birds. Zootaxa, 3884(3), 253–266. https://doi.org/10.11646/zootaxa.3884.3.4