Santos, C. S.; Nonato, E. F.; Petersen, M. E. 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 2004, 478, 1–12.