Bond, Jason E., and Paul E. Marek. “Rhinocricidae Systematics I: The Taxonomic Placement of the Species of Zipyge Chamberlin, 1925 and Oxypygides Chamberlin, 1922 (Diplopoda: Spirobolida: Rhinocricidae: Oxypyginae)”. Zootaxa 292, no. 1 (September 9, 2003): 1–8. Accessed May 2, 2025. https://www.mapress.com/zt/article/view/zootaxa.292.1.1.