[1]
H. K. Dean, J. A. Sibaja–Cordero, J. Cortés, R. Vargas, and G. Y. Kawauchi, “Sipunculans and Echiurans of Isla del Coco (Cocos Island), Costa Rica”, Zootaxa, vol. 2557, no. 1, pp. 60–68, Aug. 2010.