Sesarma rectum Randall, 1840

(Figure 7D)

Sesarma recta Randall, 1840: 123 .

Material examined. Brazil, São Paulo: 1 ♀, CCDB 2539, Ubatuba, river near Praia Perequê-Açu, colls. F. Mantelatto & C. Tudge, 25.xi.2008 ; 1 ♂, 2 ♀, CCDB 158, Ubatuba, Rio Escuro mangrove, coll. F. Mantelatto, 25.viii.1998 ; 1 ♂, CCDB 159, Ubatuba, Rio Escuro mangrove, coll. F. Mantelatto, 23.vii.1999 ; 1 ♂, 1 ♀, CCDB 3914, Ubatuba, Rio Escuro mangrove, colls. R. Buranelli & F. Mantelatto, 23.iv.2012 ; 1 ♂, 4 ♀ (1 ♀ ov), CCDB 4970, Bertioga, Rio Itapanhau mangrove, colls. R. Buranelli & L. Cerantola, 13.iv.2014 ; 1 ♂, MZUSP 16213, Peruíbe, colls. D. Dall’oco & R. Vezzani, i.1968 ; 4 ♂, 1 ♀, CCDB 3669, Ilha Comprida, beach near ferry station to Cananéia, colls. F. Carvalho et al., 09.xi.2011 .

Distribution. Western Atlantic—Antilles (Grenada), Trinidad and Tobago, Guyana, Suriname, and Brazil (Pará, Maranhão, Rio Grande do Norte, Ceará, Pernambuco, Alagoas, Bahia, Espírito Santo, Rio de Janeiro, São Paulo, Santa Catarina) (Rathbun 1918; Abele 1992; Schubart et al. 1999; Barros & Pimentel 2001; Sousa et al. 2015).

Remarks. Previous records on the coast of São Paulo state include Santos and Iguape (Abele 1992; Rathbun 1918), Ubatuba (Negreiros-Fransozo et al. 2002). Sequences accession number (GenBank): CCDB 3669—16S (KU313137), COI (KU313375) (Buranelli & Mantelatto 2017).