Bettim, A. L., and M. A. Haddad. “First Record of Endoparasitism of Pycnogonida in Hydrozoan Polyps (Cnidaria) from the Brazilian Coast”. Biota Neotropica, vol. 13, no. 2, June 2013, //www.biotaneotropica.org.br/BN/article/view/1207.