Wang, Xiaolin, Diogenes de Almeida Campos, Zhonghe Zhou, and Alexander W. A. Kellner. “A Primitive Istiodactylid Pterosaur (Pterodactyloidea) from the Jiufotang Formation (Early Cretaceous), Northeast China”. Zootaxa 1813, no. 1 (June 30, 2008): 1–18. Accessed April 4, 2025. https://mapress.com/zt/article/view/zootaxa.1813.1.1.