Dean HK, Sibaja–Cordero JA, Cortés J, Vargas R, Kawauchi GY. Sipunculans and Echiurans of Isla del Coco (Cocos Island), Costa Rica. Zootaxa [Internet]. 2010 Aug. 3 [cited 2025 May 2];2557(1):60–68. Available from: https://www.mapress.com/zt/article/view/zootaxa.2557.1.6