Wang, X., de Almeida Campos, D., Zhou, Z. and Kellner, A. W. A. (2008) “A primitive istiodactylid pterosaur (Pterodactyloidea) from the Jiufotang Formation (Early Cretaceous), northeast China”, Zootaxa. Auckland, New Zealand, 1813(1), pp. 1–18. doi: 10.11646/zootaxa.1813.1.1.