Santos, C. S., Nonato, E. F. and 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. Auckland, New Zealand, 478(1), pp. 1–12. doi: 10.11646/zootaxa.478.1.1.