Alpheus nuttingi (Schmitt, 1924) .

Crangon nuttingi Schmitt, 1924: 78, pl. 2, figs. 4–6.

Material examined. Brazil, São Paulo: 1 ♂, 1 ♀ ov, CCDB 2376, Ubatuba, Praia Grande, coll. F. Mantelatto & A. Costa, 04.vi.2008 ; 1 ♂, CCDB 3498, Ubatuba, Enseada do Flamengo, Praia Lamberto/ Saco do Codó, 15.vi.2003 ; 1 ♂, 2 ♀ (1 ♀ ov), CCDB 2363, Ubatuba, Enseada do Flamengo, Praia Lamberto/ Saco do Codó, coll. F. Mantelatto et al., 02.vi.2008 ; 21 ♀ (4 ♀ ov), CCDB 3077, São Sebastião, Praia São Francisco, coll. C. Pavanelli et al., 07.v.2006 ; 2 ♂, CCDB 2181, São Sebastião, Praia São Francisco, coll. F. Mantelatto & E. Mossolin, 11.vii.2006 ; 4 ♀ (1 ♀ ov), CCDB 1975, São Sebastião, Praia São Francisco, coll. C. Pavanelli & E. Mossolin, 19.xi.2006 ; 12 ♀, CCDB 2919, São Sebastião, Praia São Francisco, coll. F. Mantelatto et al., 01.iii.2007 ; 2 ♂, 1 ♀ ov, CCDB 3411, São Sebastião, Praia Segredo, coll. F. Mantelatto et al., 20.ii.2011 .

Distribution. Western Atlantic—USA (Florida), Gulf of Mexico, West Indies to Brazil (Ceará to Santa Catarina) (Coelho et al. 2006; Anker et al. 2007; Boos et al. 2012).

Previous records. Ubatuba (Costa et al. 2000; Mantelatto et al. 2016); São Sebastião (Mossolin et al. 2006; Amaral et al. 2010; Pavanelli et al. 2010); Iguape (Luederwaldt 1919, as A. heterochaelis, in part, see Christoffersen 1984); locality not mentioned (Amaral et al. 2011; Nucci & Melo 2011).

Remarks. GenBank accession number: CCDB 3498—16S (KU312973), COI (KU313004).