Ten species of onuphid polychaetes were identified from the sublitoral of Ubatuba, on the coast of the state of São Paulo, Brazil: Diopatra cuprea (Bosc, 1802); Diopatra tridentata Hartman, 1944; Kinhergonuphis difficilis (Fauchald, 1982); Kinhergonuphis fauchaldi Lana, 1991; Kinhergonuphis orensanzi (Fauchald, 1982); Kinhergonuphis tenuis (Hansen, 1882); Mooreonuphis nebulosa (Moore, 1911); Mooreonuphis pallidula (Hartman, 1965); Mooreonuphis intermedia (Kinberg, 1865); Onuphis dibranchiala Willey, 1905. A discussion on the characteristics of the species found and related species is also provided.
Onuphidae; Polychaeta; sublitoral; Ubatuba