Zhou, Z; Zang.F.C. A beaked basal ornithurine bird (Aves, Ornithurae) from the Lower Cretaceous of China. Zoologica Scripta. 2006, 35 (4): 363–373. S2CID 85222311. doi:10.1111/j.1463-6409.2006.00234.x.
Zhou, S; et al. Anatomy of the basal ornithuromorph bird Archaeorhynchus spathula from the early Cretaceous of Liaoning, China. Journal of Vertebrate Paleontology. 2013, 33 (33): 141–152. S2CID 86035166. doi:10.1080/02724634.2012.714431.
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Zhou, Z; Zang.F.C. A beaked basal ornithurine bird (Aves, Ornithurae) from the Lower Cretaceous of China. Zoologica Scripta. 2006, 35 (4): 363–373. S2CID 85222311. doi:10.1111/j.1463-6409.2006.00234.x.
Zhou, S; et al. Anatomy of the basal ornithuromorph bird Archaeorhynchus spathula from the early Cretaceous of Liaoning, China. Journal of Vertebrate Paleontology. 2013, 33 (33): 141–152. S2CID 86035166. doi:10.1080/02724634.2012.714431.