Salazar-Vallejo, S. I. and 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), pp. 269–275. Available at: https://revistas.ucr.ac.cr/index.php/rbt/article/view/24005 (Accessed: 4May2024).