Salazar-Vallejo, S. I., & Stock, J. H. (1987). Apparent parasitism of <i>Sabella melanostigma</i> (Polychaeta) by <i>Ammothella spinifera</i> (Pycnogonida) from the Gulf of California. Revista De Biología Tropical, 35(2), 269–275. Retrieved from https://revistas.ucr.ac.cr/index.php/rbt/article/view/24005