Zhang, Zhi-Qiang. “Animal biodiversity: An Outline of Higher-Level Classification and Survey of Taxonomic Richness (COVER)”. Zootaxa 3148, no. 1 (December 23, 2011): 1–2. Accessed May 2, 2025. https://www.mapress.com/zt/article/view/zootaxa.3148.1.1.