Biffarius delicatulus Rodrigues & Manning, 1992

Biffarius delicatulus Rodrigues & Manning, 1992: 324–330, fig. 1.

Material examined. None.

Distribution. Western Atlantic— Brazil (Ceará, São Paulo) (Rodrigues & Manning 1992; Robles et al. 2020).

Remarks. Previous records from the coast of São Paulo include São Sebastião (Rodrigues & Manning 1992; Melo 1999; Amaral et al. 2010 as Callianassa delicatula). The type of material from São Paulo is deposited in the USNM and MZUSP collections (1 ♂, paratype, USNM 252546, São Sebastião, Praia de Enseada, coll. S. Rosso, 3.vi.1981; 6 ♂, 2 ♀, holotype, MZUSP 10582, São Sebastião, Araçá mangrove, coll. S. Rodrigues 18.v.1985). There are some additional gene sequences generated (18S— MN237875; 12S— MN238359; H3— MN238080) by Robles et al. (2020). Sequences accession number (GenBank): NHMW 25542—16S (MN237680 —from Ceará) (Robles et al. 2020).