B. Mothes, M. Campos, C. Lerner, J. L. Carraro, and F. J. Parra-Velandia, “New records of the genus Agelas Duchassaing & Michelotti, 1864 (Porifera, Agelasida) off the Amazon River mouth, Brazil, Southwestern Atlantic”, Biota Neotrop., vol. 7, no. 3, Jan. 2007.