Dean, Harlan K. “The Pilargidae (Annelida: Polychaeta) of the Pacific Coast of Costa Rica”. Revista de Biología Tropical 46, no. S6 (December 1, 1998): 47–62. Accessed April 8, 2025. https://revistas.ucr.ac.cr/index.php/rbt/article/view/29633.