Cortés, José, Astrid Sánchez-Jiménez, J. Alexander Rodríguez-Arrieta, Geovanna Quirós-Barrantes, Paula C. González, and Shmulik Blum. 2012. “Elasmobranchs Observed in Deepwaters (45-330m) at Isla Del Coco National Park, Costa Rica (Eastern Tropical Pacific)”. Revista De Biología Tropical 60 (S3):257–273. https://doi.org/10.15517/rbt.v60i3.28373.