Biseswar, Ramlall. “Zoogeography of the Echiuran Fauna of the East Pacific Ocean (Phylum: Echiura)”. Zootaxa 3479, no. 1 (September 12, 2012): 69–76. Accessed April 20, 2025. https://mapress.com/zt/article/view/zootaxa.3479.1.4.