Santos, C.S., Nonato, E.F. & Petersen, M.E. (2004) Two new species of Opheliidae (Annelida: Polychaeta): Euzonus papillatus sp. n. from a northeastern Brazilian sandy beach and Euzonus mammillatus sp. n. from the continental shelf of southeastern Brazil. Zootaxa, 478 (1), 1–12.