DEAN, H. K.; SIBAJA–CORDERO, J. A.; CORTÉS, J.; VARGAS, R.; KAWAUCHI, G. Y. Sipunculans and Echiurans of Isla del Coco (Cocos Island), Costa Rica. Zootaxa, Auckland, New Zealand, v. 2557, n. 1, p. 60–68, 2010. DOI: 10.11646/zootaxa.2557.1.6. Disponível em: https://mapress.com/zt/article/view/zootaxa.2557.1.6. Acesso em: 2 apr. 2025.