Odontosyllis guillermoi Fukuda & Nogueira, 2006

Odontosyllis guillermoi Fukuda & Nogueira, 2006: 225 –229, figs 1–2. Fukuda 2010: 52 –56, figs 14–15. Fukuda et al. 2013: 150, fig. 1D.

Material examined. Project ‘BioPol-NE’. State of Paraíba, Baía da Traição, Praia do Farol (6°41.331'S 34°55.803'W), intertidal: 9 specimens (MZUSP 1232), coll. 0 9 August 2010. Rio Tinto, Barra de Mamanguape (6°46.140'S 34°55.025'W), intertidal: 67 specimens (MZUSP 1234), coll. 11 August 2010. Conde, Praia de Tabatinga (7°19.297'S 34°47.862'W), intertidal: 4 specimens (MZUSP 1236), coll. 0 1 September 2011; 1 specimen (MZUSP 2794), coll. 17 September 2012; Praia do Coqueirinho (7°19.960'S 34°47.688'W), intertidal: 2 specimens (MZUSP 2595), coll. 28 August 2011. Pitimbu, Farol de Pitimbu (7°28.362'S 34°47.663'W), 1 m: 1 specimen (MZUSP 2801), coll. 18 September 2012. State of Pernambuco, Goiana, Praia de Pontas de Pedra, intertidal: 2 specimens (MZUSP 2798), coll. 13 December 2012. Ilha de Itamaracá: Ponta do Jaguaribe (7°4.243'S 34°49.291'W), intertidal: 3 specimens (MZUSP 2797), coll. 11 December 2012; recifes de Itamaracá (7°4.243'S 34°49.291'W), 1 m: 2 specimens (MZUSP 2799), coll. 15 December 2012. Project ‘ Poly-Phytal’. State of Espírito Santo, Vitória, Ilha do Boi. Praia da Direita (20°18'S 40°17'W), rocky shore, intertidal: on Hypnea musciformis: 1 specimen (MZUSP 2802), coll. 26 May 2005; on Colpomenia sinuosa: 1 specimen (MZUSP 2803), coll. 0 1 November 2005.

Diagnosis. Odontosyllis with two black transverse bands per segment dorsally; short bidentate blades, with distal tooth larger than subdistal one.

Type locality. Brazil, São Paulo, Guarujá, Praia Branca (Atlantic Ocean).

Distribution. Atlantic Ocean: off northeastern to southeastern coast of Brazil (Paraíba to São Paulo).