Liu, Yushuang, Dong Ren, and Jakub Prokop. “Discovery of a New Namurian Archaeorthopterid from Ningxia, China (Insecta: Archaeorthoptera)”. Zootaxa 2032, no. 1 (March 11, 2009): 63–68. Accessed April 4, 2025. https://mapress.com/zt/article/view/zootaxa.2032.1.5.