[1]
S. I. Salazar-Vallejo and J. H. Stock, “Apparent parasitism of <i>Sabella melanostigma</i> (Polychaeta) by <i>Ammothella spinifera</i> (Pycnogonida) from the Gulf of California”, Rev. Biol. Trop., vol. 35, no. 2, pp. 269–275, Nov. 1987.