Gutiérrez Fonseca, Pablo E., Alonso Ramírez, Gerardo Umaña, and Monika Springer. “Freshwater Macroinvertebrates from Cocos Island, Costa Rica: Species and Comparison With Other Islands of the Eastern Tropical Pacific”. Revista de Biología Tropical 61, no. 2 (June 1, 2013): 657–668. Accessed May 2, 2024. https://www.revistas.ucr.ac.cr/index.php/rbt/article/view/11166.