Spinolambrus fraterculus (Stimpson, 1871)

(Figure 15B)

Lambrus fraterculus Stimpson, 1871: 130–131 .

Material examined. Brazil, São Paulo: 2 ♀, CCDB 3723, Ubatuba, offshore, coll. D. Rosa, 17.viii.2011 ; 1 ♂, 6 ♀ (1 ♀ ov), CCDB 3607, Ubatuba, offshore, 35m, coll. D. Rosa, ix.2011; 1 ♂, 3 ♀, CCDB 3714, Ubatuba, offshore, 30–40m, coll. D. Rosa, xi.2011 ; 1 ♂, 4 ♀, CCDB 4189, Ubatuba, offshore, coll. D. Rosa, i.2012 ; 1 ♀, CCDB 2733, Ubatuba, Mar Virado, colls. D. Rosa & F. Mantelatto, 29.xi.2009 .

Distribution. Western Atlantic—USA (North Carolina to Florida), Gulf of Mexico, Mexico (Yucatan), Antilles, Suriname, and Brazil (Amapá, Pará, Maranhão, Rio de Janeiro, São Paulo, Rio Grande do Sul), Uruguay, and Argentina (Rathbun 1898; Holthuis 1959 as Lambrus fraterculus; Powers 1977; Williams 1965, 1984; Abele & Kim 1986 as Parthenope fraterculus; Barreto et al. 1993; Felder et al. 2009 as Platylambrus fraterculus; Melo 2010; Spivak et al. 2019).

Remarks. Previous records on the coast of São Paulo include Ubatuba (Bertini et al. 2004; Bertini & Fransozo 2004; Braga et al. 2005; Nucci & Melo 2012 as Parthenope fraterculus) and Caraguatatuba (Braga et al. 2005 as Parthenope fraterculus). Sequences accession number (GenBank): CCDB 4609—16S (MF490215), COI (MF490118) (Mantelatto et al. 2018a).