Austinixa patagoniensis (Rathbun, 1918)

(Figure 17B)

Pinnixa patagoniensis Rathbun, 1918: 135, fig. 79, pl. 30, fig. 1–3.

Material examined. Brazil, São Paulo: 1 ♂, CCDB 5626, São Sebastião, Praia Baraqueçaba, colls. F. Mantelatto et al., 02.xii.2014 ; 14 ♂, 12 ♀ (2 ♀ ov), CCDB 6011, São Sebastião, Praia Baraqueçaba, colls. F. Mantelatto et al., 02.xii.2014 ; 1 ♂, 2 ♀, CCDB 1527, Mongaguá, coll. F. Mantelatto, i. x.2003 ; 1 ♂, CCDB 6028, Ilha Comprida, Praia Boqueirão Norte, colls. R. Robles & F. Mantelatto, 22.vii.2012 ; 3 ♂, CCDB 3209, Ilha Comprida, Praia Boqueirão Norte, colls. R. Robles & F. Mantelatto, 18.iv.2011 ; 6 ♂, 2 ♀, 2 j, CCDB 3667, Ilha Comprida, Praia do Pontal, colls. F. Carvalho et al., 09.xi.2011 ; 3 ♂, CCDB 4351, São Sebastião, Praia Baraqueçaba, coll. F. Mantelatto, 11.xi.2007 .

Distribution. Western Atlantic—Brazil (Rio de Janeiro, São Paulo, Santa Catarina, Rio Grande do Sul), Uruguay, and Argentina (Manning & Felder 1989; Alves et al. 2005; Melo 2008).

Remarks. Previous records in São Paulo include Ubatuba (Bertini et al. 2004), Ilha Comprida (Ocampo et al. 2013), and São Sebastião (Palacios-Theil et al. 2009, 2016). This species was previously referred as Pinnixa patagoniensis (Melo 1996, 1998). Sequences accession number (GenBank): CCDB 3667—16S (JX839479), COI (JX839526) (Ocampo et al. 2013).